[stable5] chore: fix linting on CI

[backportbot]

Backport of #2703

Warning, This backport's changes differ from the original and might be incomplete ⚠️

Todo

• Review and resolve any conflicts
• Amend HEAD commit to remove the line stating to skip CI

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Learn more about backports at https://docs.nextcloud.com/server/stable/go.php?to=developer-backports.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.55%. Comparing base (c1f663e) to head (0299120).
Report is 6 commits behind head on stable5.

Additional details and impacted files

@@              Coverage Diff              @@
##             stable5    #2795      +/-   ##
=============================================
+ Coverage      42.69%   43.55%   +0.85%     
  Complexity       908      908              
=============================================
  Files             78       78              
  Lines           3349     3391      +42     
=============================================
+ Hits            1430     1477      +47     
+ Misses          1919     1914       -5     

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