Introduce 'Amazon Conversions Api' Destination

[bansrav]

A summary of your pull request, including the what change you're making and why.

We are introducing a new destination action to Integrate with Amazon Conversion API. The Amazon Conversions API integration allows Segment customers to stream conversion event data directly to Amazon's advertising platforms. This server-side integration ensures reliable data delivery, enables accurate attribution for advertising campaigns. Advertisers will benefit from this integration to accurately measure how their campaigns are performing.
The new destination will look like

Testing

Include any additional information about the testing you have completed to
ensure your changes behave as expected. For a speedy review, please check
any of the tasks you completed below during your testing.

Local Testing on Segment UI

Local Testing on via postman API

• Added unit tests for new functionality
• Tested end-to-end using the local server
• [If destination is already live] Tested for backward compatibility of destination. Note: New required fields are a breaking change.
• [Segmenters] Tested in the staging environment
• [Segmenters] [If applicable for this change] Tested for regression with Hadron.