This container can be pulled via:
  docker pull registry.opensuse.org/kubevirt/pr-helper:1.5.2
  docker pull registry.opensuse.org/kubevirt/pr-helper:1.5.2-1.1
  docker pull registry.opensuse.org/kubevirt/pr-helper:1.5.2.4.633

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.