feat: add gitlab revoke option so vault doesn't revoke the token when the parent expires

[ilijamt]

Allow us to skip the vault revocation process, and let Gitlab revoke the tokens.

[codecov]

Codecov Report

Attention: Patch coverage is 97.64706% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 87.95%. Comparing base (1825ae7) to head (ce4e8f9).

Files	Patch %	Lines
secret_access_tokens.go	90.90%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #52      +/-   ##
==========================================
+ Coverage   87.88%   87.95%   +0.07%     
==========================================
  Files          15       15              
  Lines         949      955       +6     
==========================================
+ Hits          834      840       +6     
  Misses         68       68              
  Partials       47       47              

Flag	Coverage Δ
unittests	87.95% <97.64%> (+0.07%)	⬆️

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