chore: update codeowners

[bhimrazy]

What does this PR do?

Updates codeowners

• Adds @tchaton to the list

PR review

Anyone in the community is free to review the PR once the tests have passed.
If we didn't discuss your PR in GitHub issues there's a high chance it will not be merged.

Did you have fun?

Make sure you had fun coding 🙃

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85%. Comparing base (11589a7) to head (4b43c65).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@         Coverage Diff         @@
##           main   #142   +/-   ##
===================================
  Coverage    85%    85%           
===================================
  Files        12     12           
  Lines       513    513           
===================================
  Hits        435    435           
  Misses       78     78           

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