ci: Remove Ubuntu Plucky, add Resolute

[ivaradi]

This patch removes Ubuntu Plucky and adds the next release, Resolute.

[github-actions]

Artifact containing the AppImage: nextcloud-appimage-pr-9342.zip

Digest: sha256:d1e2efa2236a2ae8c056770520c5953639ec489385615870b2cb5819e579a24f

To test this change/fix you can download the above artifact file, unzip it, and run it.

Please make sure to quit your existing Nextcloud app and backup your data.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[ivaradi]

/backport to stable-4.0

[github-actions]

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