This container can be pulled via:
  docker pull registry.opensuse.org/filesystems/ceph/images/opensuse/ceph/grafana:10.3.5
  docker pull registry.opensuse.org/filesystems/ceph/images/opensuse/ceph/grafana:10.3.5.20.140
  docker pull registry.opensuse.org/filesystems/ceph/images/opensuse/ceph/grafana:latest
  docker pull registry.opensuse.org/filesystems/ceph/images/opensuse/ceph/grafana:tumbleweed

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.