This container can be pulled via:
  docker pull registry.opensuse.org/isv/rancher/elemental/stable/teal53/15.4/rancher/elemental-builder-image/5.3:0.3.1
  docker pull registry.opensuse.org/isv/rancher/elemental/stable/teal53/15.4/rancher/elemental-builder-image/5.3:0.3.1-7.128
  docker pull registry.opensuse.org/isv/rancher/elemental/stable/teal53/15.4/rancher/elemental-builder-image/5.3:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.