This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/sle-15-sp5/containerfile/bci/dotnet-runtime:6.0
  docker pull registry.opensuse.org/devel/bci/sle-15-sp5/containerfile/bci/dotnet-runtime:6.0-148.56
  docker pull registry.opensuse.org/devel/bci/sle-15-sp5/containerfile/bci/dotnet-runtime:6.0.31
  docker pull registry.opensuse.org/devel/bci/sle-15-sp5/containerfile/bci/dotnet-runtime:6.0.31-148.56

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.