This container can be pulled via:
  docker pull registry.opensuse.org/kernel/tools/images/sle_15_sp4/kbuild/gcc:0.1
  docker pull registry.opensuse.org/kernel/tools/images/sle_15_sp4/kbuild/gcc:0.1.12.306
  docker pull registry.opensuse.org/kernel/tools/images/sle_15_sp4/kbuild/gcc:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.