add subscriber notification request request/dependency logging

Adds subscriber notification request as request/dependency log. This will help in figuring out operational issues with subscriber listener endpoints.

Type of change

• Feature

Does this introduce a change in the core logic?

• [NO]

Does this introduce a change in the cloud provider implementation, if so which cloud?

• AWS
• Azure
• Google Cloud
• IBM

Does this introduce a breaking change?

• [NO]

What is the current behavior?

Subscriber notification requests are not logged any where, creating operational challenges to figure out issues with endpoint when it's not working correctly.

What is the new/expected behavior?

No logs for Subscriber notification requests

Have you added/updated Unit Tests and Integration Tests?

YES