This container can be pulled via:
  docker pull registry.opensuse.org/home/jgleissner/keg/containers/opensuse/keg-gitea-runner:latest
  docker pull registry.opensuse.org/home/jgleissner/keg/containers/opensuse/keg-gitea-runner:v1.0.0

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.