This container can be pulled via:
  docker pull registry.opensuse.org/devel/openqa/containers/opensuse/openqa-client:5.1757320715.32
  docker pull registry.opensuse.org/devel/openqa/containers/opensuse/openqa-client:5.1757320715.32.10.1121
  docker pull registry.opensuse.org/devel/openqa/containers/opensuse/openqa-client:latest
  docker pull registry.opensuse.org/devel/openqa/containers/tumbleweed:client

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.