fix: supoprt github enterprise token support

[zachaller]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 55.23%. Comparing base (59f12a2) to head (263072f).

Files with missing lines	Patch %	Lines
internal/scms/github/git_operations.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #86      +/-   ##
==========================================
- Coverage   55.63%   55.23%   -0.40%     
==========================================
  Files          10       10              
  Lines        1145     1146       +1     
==========================================
- Hits          637      633       -4     
- Misses        433      435       +2     
- Partials       75       78       +3     

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