This container can be pulled via:
  docker pull registry.opensuse.org/systemsmanagement/uyuni/snapshots/2023.09/containers/uyuni/proxy-squid:4.4.1
  docker pull registry.opensuse.org/systemsmanagement/uyuni/snapshots/2023.09/containers/uyuni/proxy-squid:4.4.1.44.10.uyuni3
  docker pull registry.opensuse.org/systemsmanagement/uyuni/snapshots/2023.09/containers/uyuni/proxy-squid:latest
  docker pull registry.opensuse.org/systemsmanagement/uyuni/snapshots/2023.09/containers/uyuni/proxy-squid:uyuni-2023.09
  docker pull registry.opensuse.org/systemsmanagement/uyuni/snapshots/2023.09/containers/uyuni/proxy-squid:uyuni-2023.09.44.10.uyuni3

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.