Merge branch 'master' into ozg-6647-network-policy-for-scraper

Jenkinsfile

src/main/helm/zufi-manager/templates/network_policy.yaml

...main/helm/zufi-manager/templates/zufi_daten_sync_job.yaml

src/test/helm/zufi-manager/deployment_63_char_test.yaml

.../helm/zufi-manager/network_policy_errormessages_test.yaml

src/test/helm/zufi-manager/network_policy_test.yaml

src/test/helm/zufi-server/deployment_63_char_test.yaml

src/test/required-values.yaml