This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/helm:3
  docker pull registry.opensuse.org/opensuse/helm:3.18
  docker pull registry.opensuse.org/opensuse/helm:3.18.4
  docker pull registry.opensuse.org/opensuse/helm:3.18.4-28.109

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.