This container can be pulled via:
  docker pull registry.opensuse.org/isv/suse/edge/3.5/totest/charts/upgrade-controller:305.0.1_up0.1.1
  docker pull registry.opensuse.org/isv/suse/edge/3.5/totest/charts/upgrade-controller:305.0.1_up0.1.1-3.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.