This container can be pulled via:
  docker pull registry.opensuse.org/isv/suse/edge/3.3/charts/rancher-turtles-airgap-resources:303.0.5_up0.21.0
  docker pull registry.opensuse.org/isv/suse/edge/3.3/charts/rancher-turtles-airgap-resources:303.0.5_up0.21.0-14.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.