chore: bump git-proxy version to 2.0.0-rc.5

[jescalada]

PR for bumping to rc.5, and hopefully the last one before v2!

The v2 checklist is finally complete: #1368

We can spend the following week testing, and if everything goes well we can do the v2 release before/during our next community call #1454

[netlify]

✅ Deploy Preview for endearing-brigadeiros-63f9d0 canceled.

Name	Link
🔨 Latest commit	f52760d
🔍 Latest deploy log	https://app.netlify.com/projects/endearing-brigadeiros-63f9d0/deploys/69b7f8d93414a30007936cf8

[github-actions]

Dependency Review

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

Scanned Files

None

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.66%. Comparing base (864559e) to head (f52760d).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1461   +/-   ##
=======================================
  Coverage   89.66%   89.66%           
=======================================
  Files          68       68           
  Lines        4869     4869           
  Branches      888      888           
=======================================
  Hits         4366     4366           
  Misses        485      485           
  Partials       18       18           

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[andypols]

LGTM

[jescalada]

@finos/git-proxy-maintainers rc.5 is out and ready for testing!