This container can be pulled via:
  docker pull registry.opensuse.org/kubic/kube-scheduler:latest
  docker pull registry.opensuse.org/kubic/kube-scheduler:v1.31.1
  docker pull registry.opensuse.org/kubic/kube-scheduler:v1.31.1-6.39

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.