feat(connector): [GETNET,HIPAY,KLARNA,MONERIS,OPENNODE] add in feature matrix api (#7873)

Co-authored-by: Anurag Singh <anurag.singh.001@MacBookPro.lan>
Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>
Co-authored-by: Anurag Singh <anurag.singh.001@Anurag-Singh-WPMHJ5619X.local>
Files to modify:


**getnet.rs**
  Remove:
    - function: private::validate_connector_against_payment_request
    - impl: impl ConnectorSpecifications for Getnet
  Add:
    - function: private::get_connector_about
    - function: private::get_supported_payment_methods
    - function: private::get_supported_webhook_flows
    - impl: impl ConnectorSpecifications for Getnet

**hipay.rs**
  Remove:
    - function: private::validate_connector_against_payment_request
    - impl: impl ConnectorValidation for Hipay
    - impl: impl ConnectorSpecifications for Hipay
  Add:
    - function: private::get_connector_about
    - function: private::get_supported_payment_methods
    - function: private::get_supported_webhook_flows
    - impl: impl ConnectorValidation for Hipay
    - impl: impl ConnectorSpecifications for Hipay

**klarna.rs**
  Remove:
    - function: private::validate_connector_against_payment_request
    - impl: impl ConnectorValidation for Klarna
    - impl: impl ConnectorSpecifications for Klarna
  Add:
    - function: private::get_connector_about
    - function: private::get_supported_payment_methods
    - function: private::get_supported_webhook_flows
    - impl: impl ConnectorValidation for Klarna
    - impl: impl ConnectorSpecifications for Klarna

**moneris.rs**
  Remove:
    - function: private::validate_connector_against_payment_request
    - impl: impl ConnectorSpecifications for Moneris
  Add:
    - function: private::get_connector_about
    - function: private::get_supported_payment_methods
    - function: private::get_supported_webhook_flows
    - impl: impl ConnectorSpecifications for Moneris

**opennode.rs**
  Remove:
    - impl: impl ConnectorSpecifications for Opennode
  Add:
    - function: private::get_connector_about
    - function: private::get_supported_payment_methods
    - function: private::get_supported_webhook_flows
    - impl: impl ConnectorSpecifications for Opennode