This container can be pulled via:
  docker pull registry.opensuse.org/devel/kubic/containers/container_arm/kubic/dex:2.23
  docker pull registry.opensuse.org/devel/kubic/containers/container_arm/kubic/dex:2.23.0
  docker pull registry.opensuse.org/devel/kubic/containers/container_arm/kubic/dex:2.23.0-5.1108

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.