[stable8] chore(docs): Automated styling update from server

[nextcloud-command]

Auto-generated update of our locally cached css styling from

• https://nextcloud.github.io/server/apps/theming/css/default.css
• https://nextcloud.github.io/server/core/css/server.css
• https://nextcloud.github.io/server/core/css/apps.css
• https://nextcloud.github.io/server/dist/icons.css

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.99%. Comparing base (c0d2b4b) to head (aef0632).

Additional details and impacted files

@@           Coverage Diff            @@
##           stable8    #8832   +/-   ##
========================================
  Coverage    46.99%   46.99%           
========================================
  Files          195      195           
  Lines         4943     4943           
  Branches      1211     1211           
========================================
  Hits          2323     2323           
  Misses        2533     2533           
  Partials        87       87           

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