chore: Updated code owner

[Prekshith-Microsoft]

This pull request makes a small update to the .github/CODEOWNERS file by adding @nchandhi to the list of default code owners for the repository.## Purpose

• ...

Does this introduce a breaking change?

• [ ] Yes
• [ ] No

Golden Path Validation

• [ ] I have tested the primary workflows (the "golden path") to ensure they function correctly without errors.

Deployment Validation

• [ ] I have validated the deployment process successfully and all services are running as expected with this change.

What to Check

Verify that the following are valid

• [ ] I have built and tested the code locally and in a deployed app
• [ ] For frontend changes, I have pulled the latest code from main, built the frontend, and committed all static files.
• [ ] This is a change for all users of this app. No code or asset is specific to my use case or my organization.

Other Information

This pull request includes a small update to the .github/CODEOWNERS file, adding @nchandhi as a default owner for the repository. This pull request makes a small update to the .github/CODEOWNERS file, adding @nchandhi as a default owner for the repository.