This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/opensuse/ceph/grafana:11.3.0
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/opensuse/ceph/grafana:11.3.0.6.784
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/opensuse/ceph/grafana:latest
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/opensuse/ceph/grafana:tumbleweed

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.