chore: deprecate gitRepoURL in API and UI

[fykaa]

closes #3850

This PR only deprecates gitRepoURL field.

I have created this separate issue for tracking the Removal of the same in v1.7.0

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.61%. Comparing base (54fd82e) to head (be191a7).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3902      +/-   ##
==========================================
- Coverage   52.65%   52.61%   -0.04%     
==========================================
  Files         311      311              
  Lines       27958    27971      +13     
==========================================
- Hits        14720    14718       -2     
- Misses      12452    12467      +15     
  Partials      786      786              

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