Change localization branch to release/9.0.1xx temporarily

[carlossanlop]

Same as last year: #6890

We need to temporarily switch the OneLocBuild MirrorBranch to point to the release/9.0.1xx branch to ensure all localization changes go there until we ship. This change will be reverted after we ship, so that we point to main again. We need to backport this to the release/9.0.1xx branch as well.

@mavasani @sharwell @cristianosuzuki77 @buyaa-n @ericstj @ViktorHofer

[carlossanlop]

/backport to release/9.0.1xx

[github-actions]

Started backporting to release/9.0.1xx: https://github.com/dotnet/roslyn-analyzers/actions/runs/10397431479

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.49%. Comparing base (3211f48) to head (57d9c7c).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7377      +/-   ##
==========================================
- Coverage   96.49%   96.49%   -0.01%     
==========================================
  Files        1443     1443              
  Lines      345885   345885              
  Branches    11374    11374              
==========================================
- Hits       333765   333758       -7     
- Misses       9241     9244       +3     
- Partials     2879     2883       +4