Update changelog with credits

[devalevenkatesh]

Issue #:

Description of changes: Update credits in CHANGELOG for PR #2663

Testing:

Can these tested using a demo application? Please provide reproducible step-by-step instructions. NA, just CHANGELOG update.

Checklist:

1. Have you successfully run npm run build:release locally? NA, just CHANGELOG update.

2. Do you add, modify, or delete public API definitions? If yes, has that been reviewed and approved? NA

3. Do you change the wire protocol, e.g. the request method? If yes, has that been reviewed and approved? NA

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.