This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/kubic/kube-apiserver:v1.23.9
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/kubic/kube-apiserver:v1.23.9-2.1618

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.