make @borda global code owner

[aniketmaurya]

Before submitting

• Was this discussed/agreed via a Github issue? (no need for typos and docs improvements)
• Did you read the contributor guideline, Pull Request section?
• Did you make sure to update the docs?
• Did you write any new necessary tests?

What does this PR do?

Fixes # (issue).

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?

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96%. Comparing base (42399b2) to head (a822521).
Report is 2 commits behind head on main.

Additional details and impacted files

@@         Coverage Diff         @@
##           main   #358   +/-   ##
===================================
  Coverage    95%    96%           
===================================
  Files        22     22           
  Lines      1399   1408    +9     
===================================
+ Hits       1331   1345   +14     
+ Misses       68     63    -5