chore: prepare v9.12.0

[skjnldsv]

What's Changed

🚀 Enhancements

• feat(NcUploadPicker): migrate component from @nextcloud/upload by @susnux in feat(NcUploadPicker): migrate component from @nextcloud/upload #7882

🐛 Fixed bugs

• fix: modal height in small screen by @kristian-zendato in fix: modal height in small screen #8859
• fix(NcDateTimePicker): for week picker do not show time picker by @odzhychko in fix(NcDateTimePicker): for week picker do not show time picker #8923
• fix(NcAvatar): pick the avatar variant a display actually needs by @pringelmann in fix(NcAvatar): pick the avatar variant a display actually needs #8948
• fix(NcReferenceList): do not flash empty widget list before first fetch by @jospoortvliet in fix(NcReferenceList): do not flash empty widget list before first fetch #8865

Other Changes

• Updates for project Nextcloud vue library by @transifex-integration[bot] in Updates for project Nextcloud vue library #8901
• Updates for project Nextcloud vue library by @transifex-integration[bot] in Updates for project Nextcloud vue library #8905
• fix: update profile hovercard content data by @kristian-zendato in fix: update profile hovercard content data #8885
• Updates for project Nextcloud vue library by @transifex-integration[bot] in Updates for project Nextcloud vue library #8933
• Revert "feat(NcAppNavigation): add animation effect for navigation items" by @susnux in Revert "feat(NcAppNavigation): add animation effect for navigation items" #8939
• Updates for project Nextcloud vue library by @transifex-integration[bot] in Updates for project Nextcloud vue library #8941
• Updates for project Nextcloud vue library by @transifex-integration[bot] in Updates for project Nextcloud vue library #8949

New Contributors

• @jospoortvliet made their first contribution in fix(NcReferenceList): do not flash empty widget list before first fetch #8865

Full Changelog: v9.11.0...v9.12.0

👾 This pull request was assisted by Claude Code, commits carry an Assisted-by trailer.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 57.39%. Comparing base (81fbe83) to head (c507c74).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8954   +/-   ##
=======================================
  Coverage   57.39%   57.39%           
=======================================
  Files         123      123           
  Lines        4460     4460           
  Branches     1331     1331           
=======================================
  Hits         2560     2560           
  Misses       1614     1614           
  Partials      286      286           

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[susnux]

ℹ️ why this reports closed:
This was merged outside of the github UI already into main branch in the v9.12.0 release.

[susnux]

⚠️ info for next time: You need to update milestones after releases.
The old milestone was still open even though v9.12.0 was already released