OZG-6477 OZG-6439 Configure collaboration-manager grpc client

alfa-server/src/main/resources/application-local.yml

alfa-server/src/main/resources/application.yml

...gcloud/alfa/collaboration/CollaborationRemoteService.java

...rvice/src/main/java/de/ozgcloud/alfa/common/GrpcUtil.java

src/main/helm/templates/_helpers.tpl

src/main/helm/templates/deployment.yaml

...lm/deployment_collaboration_manager_address_env_test.yaml

src/test/helm/deployment_defaults_env_test.yaml