[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 45.94%. Comparing base (7069d41) to head (54134e3).
⚠️ Report is 8 commits behind head on stable8.

Additional details and impacted files

@@           Coverage Diff            @@
##           stable8    #8207   +/-   ##
========================================
  Coverage    45.94%   45.94%           
========================================
  Files          192      192           
  Lines         4790     4790           
  Branches      1171     1171           
========================================
  Hits          2201     2201           
  Misses        2503     2503           
  Partials        86       86           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.