ozg-7021 make ozgcloud.barrierefreiheitUrl required

src/main/helm/templates/deployment.yaml

src/test/helm-linter-values.yaml

src/test/helm/deployment_63_char_test.yaml

...est/helm/deployment_archive_manager_address_env_test.yaml

src/test/helm/deployment_bindings_test.yaml

src/test/helm/deployment_collaboration_env_test.yaml

...lm/deployment_collaboration_manager_address_env_test.yaml

src/test/helm/deployment_config_client_env_test.yaml

src/test/helm/deployment_customList_env_test.yaml

src/test/helm/deployment_defaults_affinity_test.yaml

src/test/helm/deployment_defaults_env_test.yaml

src/test/helm/deployment_defaults_labels_test.yaml

...helm/deployment_defaults_spec_containers_health_test.yaml

...oyment_defaults_spec_containers_securityContext_test.yaml

src/test/helm/deployment_defaults_spec_containers_test.yaml

src/test/helm/deployment_defaults_sso_env_test.yaml

...m/deployment_defaults_topologySpreadConstraints_test.yaml

src/test/helm/deployment_host_aliases_test.yaml

src/test/helm/deployment_imageTag_test.yaml

src/test/helm/deployment_imagepull_secret_test.yaml