[stable29] Chore(deps): Bump @nextcloud/vue from 7.12.4 to 8.11.2

[backportbot[bot]]

Backport of #394

Warning, This backport had conflicts that were resolved with the ours merge strategy and is likely incomplete ⚠️

Todo

• [x] Review and resolve any conflicts

• [x] Amend HEAD commit to remove the line stating to skip CI

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