Merge pull request #1440 from nextcloud/backport/1411/stable33

[stable33] chore: prepare v2.0.0

Merge pull request #1400 from nextcloud/chore/2-rc7

chore: prepare v2.0.0-rc.7

Merge pull request #1405 from nextcloud/chore/32-1.18.1

chore: prepare v1.18.1

Merge pull request #1407 from nextcloud/fix/31-workflows

[stable31] ci: adjust ci to work with latest release script changes

Merge pull request #1402 from nextcloud/chore/30-1.16.3

chore: prepare v1.16.3

Merge pull request #1401 from nextcloud/chore/29-1.15.4

chore: prepare v1.15.4

Merge pull request #1354 from nextcloud/chore/rc5

chore: prepare v2.0.0-rc.6

Merge pull request #1346 from nextcloud/chore/2.0.0-rc5

chore: prepare v2.0.0-rc.5

Merge pull request #1314 from nextcloud/chore/rc3

chore: prepare v2.0.0-rc.4

Merge pull request #1306 from nextcloud/chore/v2.0.0-rc.3

chore: prepare v2.0.0-rc.3