Remove auth headers from bare git clone on server

[JamieSlome]

Removes the usage of auth headers for shallow clones of upstream repositories for diff generation.

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

OpenSSF Scorecard

Package	Version	Score	Details

Scanned Manifest Files

[netlify]

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[codecov]

Codecov Report

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

Project coverage is 55.56%. Comparing base (14801cf) to head (5ec4ebc).
Report is 1 commits behind head on main.

❗ Current head 5ec4ebc differs from pull request most recent head b27bb3b. Consider uploading reports for the commit b27bb3b to get more accurate results

Files	Patch %	Lines
src/proxy/processors/push-action/pullRemote.js	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #549      +/-   ##
==========================================
- Coverage   57.04%   55.56%   -1.48%     
==========================================
  Files          46       45       -1     
  Lines        1569     1553      -16     
==========================================
- Hits          895      863      -32     
- Misses        674      690      +16     

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