[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 45.74%. Comparing base (703d780) to head (59813b1).
⚠️ Report is 4 commits behind head on stable8.

Additional details and impacted files

@@           Coverage Diff            @@
##           stable8    #8231   +/-   ##
========================================
  Coverage    45.74%   45.74%           
========================================
  Files          193      193           
  Lines         4864     4864           
  Branches      1254     1254           
========================================
  Hits          2225     2225           
  Misses        2551     2551           
  Partials        88       88           

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