update(workflow): block-merge-freeze to latest

[max-nextcloud]

Only block merge for stable branches during freeze.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 38.17%. Comparing base (1d4db83) to head (338eb06).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6947   +/-   ##
=======================================
  Coverage   38.17%   38.17%           
=======================================
  Files         940      940           
  Lines       42465    42465           
  Branches     1481     1481           
=======================================
  Hits        16210    16210           
  Misses      25478    25478           
  Partials      777      777           

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[juliusknorr]

Should be upstreamed to the .github repo

[max-nextcloud]

Should be upstreamed to the .github repo

That's where it's coming from 😉