This container can be pulled via:
  docker pull registry.opensuse.org/home/tinita/single-instance-openqa/containers15.5/openqa-single-instance:latest
  docker pull registry.opensuse.org/home/tinita/single-instance-openqa/containers15.5/opensuse/openqa-single-instance:4.6.1739720201
  docker pull registry.opensuse.org/home/tinita/single-instance-openqa/containers15.5/opensuse/openqa-single-instance:4.6.1739720201.34.757
  docker pull registry.opensuse.org/home/tinita/single-instance-openqa/containers15.5/opensuse/openqa-single-instance:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.