Stripe-integration-node-typescript: update src/requests.http file with error scenarios

[giannativo]

Describe the feature

Update src/requests.http file with error scenarios to ensure robustness.

Use Case

The addition of error scenarios will help future developers in the API scope knowledge and can act as a guide to improve test coverage.

Proposed Solution

No response

Other Information

No response

Acknowledgements

• [ ] I may be able to implement this feature request
• [ ] This feature might incur a breaking change

Version used

main branch

Environment details (OS name and version, etc.)

general use