This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/bci/gcc:13
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/bci/gcc:13-149.18
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/bci/gcc:13.3
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/bci/gcc:13.3-149.18

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.