feat: Git commit status controller

[zachaller]

No description provided.

[codecov-commenter]

Bundle Report

Bundle size has no change ✅

[codecov-commenter]

Codecov Report

❌ Patch coverage is 66.57382% with 120 lines in your changes missing coverage. Please review.
✅ Project coverage is 58.66%. Comparing base (194e23b) to head (cfa8bef).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/controller/gitcommitstatus_controller.go	67.91%	66 Missing and 28 partials ⚠️
internal/gitauth/provider.go	26.08%	17 Missing ⚠️
internal/git/git.go	68.75%	3 Missing and 2 partials ⚠️
...ternal/controller/argocdcommitstatus_controller.go	50.00%	1 Missing and 1 partial ⚠️
...rnal/controller/changetransferpolicy_controller.go	90.47%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #729      +/-   ##
==========================================
+ Coverage   57.30%   58.66%   +1.35%     
==========================================
  Files          36       38       +2     
  Lines        4031     4330     +299     
==========================================
+ Hits         2310     2540     +230     
- Misses       1440     1481      +41     
- Partials      281      309      +28     

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