This container can be pulled via:
  docker pull registry.opensuse.org/devel/unifiedcore/tumbleweed/prs/dirkmueller/elemental/pr-1/containers/uc-base-os-rpi:20260101.0
  docker pull registry.opensuse.org/devel/unifiedcore/tumbleweed/prs/dirkmueller/elemental/pr-1/containers/uc-base-os-rpi:20260101.0-21.2
  docker pull registry.opensuse.org/devel/unifiedcore/tumbleweed/prs/dirkmueller/elemental/pr-1/containers/uc-base-os-rpi:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.