Bug: [BUG] Update Iatapay config URL to use sandbox URl instead of production URL



### Bug Description

It bugs out when you try to do a payment with Iatapay and it throws Unauthorized error in Sandbox environment

### Expected Behavior

It should do the payment.

### Actual Behavior

Throws an error

### Steps To Reproduce

1. Do a Payment through Iatapay

### Context For The Bug

Error. Unauthorized error.

### Environment

Are you using hyperswitch hosted version? Yes

Sandbox

### Have you spent some time checking if this bug has been raised before?

- [X] I checked and didn't find a similar issue

### Have you read the Contributing Guidelines?

- [X] I have read the [Contributing Guidelines](https://github.com/juspay/hyperswitch/blob/main/docs/CONTRIBUTING.md)

### Are you willing to submit a PR?

Yes, I am willing to submit a PR!
diff --git a/config/deployments/sandbox.toml b/config/deployments/sandbox.toml
index 42588cb7345..564a2d9e984 100644
--- a/config/deployments/sandbox.toml
+++ b/config/deployments/sandbox.toml
@@ -43,7 +43,7 @@ globalpay.base_url = "https://apis.sandbox.globalpay.com/ucp/"
 globepay.base_url = "https://pay.globepay.co/"
 gocardless.base_url = "https://api-sandbox.gocardless.com"
 helcim.base_url = "https://api.helcim.com/"
-iatapay.base_url = "https://iata-pay.iata.org/api/v1"
+iatapay.base_url = "https://sandbox.iata-pay.iata.org/api/v1"
 klarna.base_url = "https://api-na.playground.klarna.com/"
 mollie.base_url = "https://api.mollie.com/v2/"
 mollie.secondary_base_url = "https://api.cc.mollie.com/v1/"
@@ -121,7 +121,6 @@ bank_redirect.ideal.connector_list = "stripe,adyen,globalpay"
 bank_redirect.sofort.connector_list = "stripe,adyen,globalpay"
 bank_redirect.giropay.connector_list = "adyen,globalpay"
 
-
 [mandates.update_mandate_supported]
 card.credit ={connector_list ="cybersource"}
 card.debit = {connector_list ="cybersource"}

## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [x] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
This PR updates Iatapay to use Sandbox URL instead of Production URL in Sandbox environment.

Closes #3643

### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

<!--
Provide links to the files with corresponding changes.

Following are the paths where you can find config files:
1. `config`
2. `crates/router/src/configs`
3. `loadtest/config`
-->
`config/deployment/sandbox.toml`

## Motivation and Context
<!--
Why is this change required? What problem does it solve?
If it fixes an open issue, please link to the issue here.

If you don't have an issue, we'd recommend starting with one first so the PR
can focus on the implementation (unless it is an obvious bug or documentation fix
that will have little conversation).
-->
Everytime, we need to manually do another deployment manually to see whether the connector is working as expected. With this PR, if they want to test, we'll do manual deployment with production URL going forward.

## How did you test it?
<!--
Did you write an integration/unit/API test to verify the code changes?
Or did you test this change manually (provide relevant screenshots)?
-->

Iataoay payments in Sandbox environments should work now:

#### Create - Payment

```curl
curl --location 'https://sandbox.hyperswitch.io/payments' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'api-key: snd_oJVcvSxV6aBs3qzsG8en6nVUOMYcczuNBSCaIRToSiHhreVNNOYVmCj9gccgXuhR' \
--data-raw '{
    "amount": 6540,
    "currency": "INR",
    "confirm": true,
    "capture_method": "automatic",
    "capture_on": "2022-09-10T10:11:12Z",
    "amount_to_capture": 6540,
    "customer_id": "StripeCustomer",
    "email": "guest@example.com",
    "name": "John Doe",
    "phone": "999999999",
    "phone_country_code": "+1",
    "description": "Its my first payment request",
    "authentication_type": "no_three_ds",
    "return_url": "https://pixincreate.dev",
    "payment_method": "upi",
    "payment_method_type": "upi_collect",
    "payment_method_data": {
        "upi": {
            "vpa_id": "successtest@iata"
        }
    },
    "browser_info": {
        "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36",
        "accept_header": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
        "language": "nl-NL",
        "color_depth": 24,
        "screen_height": 723,
        "screen_width": 1536,
        "time_zone": 0,
        "java_enabled": true,
        "java_script_enabled": true,
        "ip_address": "127.0.0.1"
    },
    "billing": {
        "address": {
            "line1": "1467",
            "line2": "Harrison Street",
            "line3": "Harrison Street",
            "city": "San Fransico",
            "state": "California",
            "zip": "94122",
            "country": "US",
            "first_name": "joseph",
            "last_name": "Doe"
        },
        "phone": {
            "number": "8056594427",
            "country_code": "+91"
        }
    },
    "shipping": {
        "address": {
            "line1": "1467",
            "line2": "Harrison Street",
            "line3": "Harrison Street",
            "city": "San Fransico",
            "state": "California",
            "zip": "94122",
            "country": "IN",
            "first_name": "joseph",
            "last_name": "Doe"
        }
    },
    "statement_descriptor_name": "joseph",
    "statement_descriptor_suffix": "JS",
    "metadata": {
        "udf1": "value1",
        "new_customer": "true",
        "login_date": "2019-09-10T10:11:12Z"
    }
}'
```
```json
{
	"payment_id": "pay_4vM0FY3dKVl0yTKS2dJJ",
	"merchant_id": "postman_merchant_GHAction_329d9d3f-e66f-4b01-a085-da6baa0d7896",
	"status": "requires_customer_action",
	"amount": 6540,
	"net_amount": 6540,
	"amount_capturable": 6540,
	"amount_received": null,
	"connector": "iatapay",
	"client_secret": "pay_4vM0FY3dKVl0yTKS2dJJ_secret_OEMfrIA3fJuUi8R67p6Q",
	"created": "2024-02-13T09:33:44.649Z",
	"currency": "INR",
	"customer_id": "StripeCustomer",
	"description": "Its my first payment request",
	"refunds": null,
	"disputes": null,
	"mandate_id": null,
	"mandate_data": null,
	"setup_future_usage": null,
	"off_session": null,
	"capture_on": null,
	"capture_method": "automatic",
	"payment_method": "upi",
	"payment_method_data": "upi",
	"payment_token": null,
	"shipping": {
		"address": {
			"city": "San Fransico",
			"country": "IN",
			"line1": "1467",
			"line2": "Harrison Street",
			"line3": "Harrison Street",
			"zip": "94122",
			"state": "California",
			"first_name": "joseph",
			"last_name": "Doe"
		},
		"phone": {
			"number": null,
			"country_code": null
		}
	},
	"billing": {
		"address": {
			"city": "San Fransico",
			"country": "US",
			"line1": "1467",
			"line2": "Harrison Street",
			"line3": "Harrison Street",
			"zip": "94122",
			"state": "California",
			"first_name": "joseph",
			"last_name": "Doe"
		},
		"phone": {
			"number": "8056594427",
			"country_code": "+91"
		}
	},
	"order_details": null,
	"email": "guest@example.com",
	"name": "John Doe",
	"phone": "999999999",
	"return_url": "https://pixincreate.dev/",
	"authentication_type": "no_three_ds",
	"statement_descriptor_name": "joseph",
	"statement_descriptor_suffix": "JS",
	"next_action": {
		"type": "redirect_to_url",
		"redirect_to_url": "https://sandbox.hyperswitch.io/payments/redirect/pay_4vM0FY3dKVl0yTKS2dJJ/postman_merchant_GHAction_329d9d3f-e66f-4b01-a085-da6baa0d7896/pay_4vM0FY3dKVl0yTKS2dJJ_1"
	},
	"cancellation_reason": null,
	"error_code": null,
	"error_message": null,
	"unified_code": null,
	"unified_message": null,
	"payment_experience": null,
	"payment_method_type": "upi_collect",
	"connector_label": null,
	"business_country": null,
	"business_label": null,
	"business_sub_label": null,
	"allowed_payment_method_types": null,
	"ephemeral_key": {
		"customer_id": "StripeCustomer",
		"created_at": 1707816824,
		"expires": 1707820424,
		"secret": "epk_124b752c19a14485ae02906c800475a1"
	},
	"manual_retry_allowed": null,
	"connector_transaction_id": "PHK6FODTMD0IO",
	"frm_message": null,
	"metadata": {
		"udf1": "value1",
		"new_customer": "true",
		"login_date": "2019-09-10T10:11:12Z"
	},
	"connector_metadata": null,
	"feature_metadata": null,
	"reference_id": "pay_4vM0FY3dKVl0yTKS2dJJ_1",
	"payment_link": null,
	"profile_id": "pro_uKrcYw3NgIA71P3M1DAW",
	"surcharge_details": null,
	"attempt_count": 1,
	"merchant_decision": null,
	"merchant_connector_id": "mca_3Q8AZBbrkmL6x0Mxfko3",
	"incremental_authorization_allowed": null,
	"authorization_count": null,
	"incremental_authorizations": null,
	"expires_on": "2024-02-13T09:48:44.649Z",
	"fingerprint": null
}
```

#### Retrieve - Payment

```curl
curl --location 'https://sandbox.hyperswitch.io/payments/pay_4vM0FY3dKVl0yTKS2dJJ' \
--header 'Accept: application/json' \
--header 'api-key: snd_oJVcvSxV6aBs3qzsG8en6nVUOMYcczuNBSCaIRToSiHhreVNNOYVmCj9gccgXuhR'
```
```json
{
	"payment_id": "pay_4vM0FY3dKVl0yTKS2dJJ",
	"merchant_id": "postman_merchant_GHAction_329d9d3f-e66f-4b01-a085-da6baa0d7896",
	"status": "succeeded",
	"amount": 6540,
	"net_amount": 6540,
	"amount_capturable": 0,
	"amount_received": 6540,
	"connector": "iatapay",
	"client_secret": "pay_4vM0FY3dKVl0yTKS2dJJ_secret_OEMfrIA3fJuUi8R67p6Q",
	"created": "2024-02-13T09:33:44.649Z",
	"currency": "INR",
	"customer_id": "StripeCustomer",
	"description": "Its my first payment request",
	"refunds": null,
	"disputes": null,
	"mandate_id": null,
	"mandate_data": null,
	"setup_future_usage": null,
	"off_session": null,
	"capture_on": null,
	"capture_method": "automatic",
	"payment_method": "upi",
	"payment_method_data": "upi",
	"payment_token": null,
	"shipping": {
		"address": {
			"city": "San Fransico",
			"country": "IN",
			"line1": "1467",
			"line2": "Harrison Street",
			"line3": "Harrison Street",
			"zip": "94122",
			"state": "California",
			"first_name": "joseph",
			"last_name": "Doe"
		},
		"phone": {
			"number": null,
			"country_code": null
		}
	},
	"billing": {
		"address": {
			"city": "San Fransico",
			"country": "US",
			"line1": "1467",
			"line2": "Harrison Street",
			"line3": "Harrison Street",
			"zip": "94122",
			"state": "California",
			"first_name": "joseph",
			"last_name": "Doe"
		},
		"phone": {
			"number": "8056594427",
			"country_code": "+91"
		}
	},
	"order_details": null,
	"email": "guest@example.com",
	"name": "John Doe",
	"phone": "999999999",
	"return_url": "https://pixincreate.dev/",
	"authentication_type": "no_three_ds",
	"statement_descriptor_name": "joseph",
	"statement_descriptor_suffix": "JS",
	"next_action": null,
	"cancellation_reason": null,
	"error_code": null,
	"error_message": null,
	"unified_code": null,
	"unified_message": null,
	"payment_experience": null,
	"payment_method_type": "upi_collect",
	"connector_label": null,
	"business_country": null,
	"business_label": null,
	"business_sub_label": null,
	"allowed_payment_method_types": null,
	"ephemeral_key": null,
	"manual_retry_allowed": false,
	"connector_transaction_id": "PHK6FODTMD0IO",
	"frm_message": null,
	"metadata": {
		"udf1": "value1",
		"new_customer": "true",
		"login_date": "2019-09-10T10:11:12Z"
	},
	"connector_metadata": null,
	"feature_metadata": null,
	"reference_id": "pay_4vM0FY3dKVl0yTKS2dJJ_1",
	"payment_link": null,
	"profile_id": "pro_uKrcYw3NgIA71P3M1DAW",
	"surcharge_details": null,
	"attempt_count": 1,
	"merchant_decision": null,
	"merchant_connector_id": "mca_3Q8AZBbrkmL6x0Mxfko3",
	"incremental_authorization_allowed": null,
	"authorization_count": null,
	"incremental_authorizations": null,
	"expires_on": "2024-02-13T09:48:44.649Z",
	"fingerprint": null
}
```

## Checklist
<!-- Put an `x` in the boxes that apply -->

- [ ] I formatted the code `cargo +nightly fmt --all`
- [ ] I addressed lints thrown by `cargo clippy`
- [x] I reviewed the submitted code
- [ ] I added unit tests for my changes where possible
- [ ] I added a [CHANGELOG](/CHANGELOG.md) entry if applicable
