provisioning-integrate-authentication

Needs a small otterize-tweak: bmi/opendesk/components/platform-development/charts/opendesk-otterize!10 (merged)

Tested with E2E tests from the following repo / branch: https://git.knut.univention.de/univention/customers/dataport/upx/provisioning/-/merge_requests/121

test command: poetry run pytest -v -p no:cacheprovider tests/e2e/ --environment gaia