Translations update from Weblate

See merge request !816

Currently translated at 100.0% (604 of 604 strings)

Translation: AlekSIS/AlekSIS-Core
Translate-URL: https://translate.edugit.org/projects/aleksis/aleksis-core/de/

Resolve "Impersonation page looks disgusting "

Closes #567

See merge request !815

Update translation files

See merge request !817

Resolve "Use newer version of pg_dump in Core image"

Closes #568

See merge request !812

Update poetry.lock

See merge request !814

Resolve "PDF generation doesn't use context processors"

Closes #546

See merge request !811

Update dependency django-allauth to ^0.47.0

See merge request !810

Resolve "Permission assign view doesn't work with GlobalPermissionModel"

Closes #564

See merge request !807

Update dependency django-colorfield to ^0.5.0

See merge request !806

Update dependency django-bleach to v1

See merge request !780

Update dependency license-expression to v21

See merge request !782

Resolve "[OAuth] Allow apps to generate claims for their own scopes"

Closes #553

See merge request !799

Update dependency rules to v3

See merge request !783

Bump dev version

See merge request !804

Bump version to 2.2.1

See merge request !803

Resolve "Backup health check broken when using S3"

Closes #557

See merge request !800

Limit Celery dependency to <5.2 for now

See merge request !801