fix(connector): [Worldpay] add root CA certificate

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

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

## Description
This PR adds below changes for the Worldpay connector
1. Add a root CA certificate for Worldpay's request client
2. Add a new AuthType for Worldpay - MultiAuthType
3. Use `MultiAuthType` in wasm crate for Worldpay

### 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`
4. `crates/router/src/configs`
5. `loadtest/config`
-->


## Motivation and Context
This fixes the self signed certificate not trusted errors for Worldpay in production.

## How did you test it?
Cannot be tested in non prod env.

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

- [x] I formatted the code `cargo +nightly fmt --all`
- [x] I addressed lints thrown by `cargo clippy`
- [x] I reviewed the submitted code
- [ ] I added unit tests for my changes where possible

<think>
PR Context:
- Title: revert(connector): [Worldpay] add root CA certificate
- Merged: 2025-06-10T08:33:22Z
- Files changed: 5 files
- Commits: 1 commits

Implementation approach:
Reverts juspay/hyperswitch#8205
</think>

To implement this, you'll need to modify:


**Detailed Implementation:**


**Commit 1:** revert(connector): [Worldpay] add root CA certificate (#8224)
Files to modify:


**crates/hyperswitch_connectors/src/connectors/worldpay.rs**
  Modify existing code

**crates/hyperswitch_connectors/src/connectors/worldpay/transformers.rs**
  Modify existing code
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