This container can be pulled via:
  docker pull registry.opensuse.org/systemsmanagement/uyuni/master/containers/uyuni/proxy-squid:2025.03
  docker pull registry.opensuse.org/systemsmanagement/uyuni/master/containers/uyuni/proxy-squid:2025.03.84.3.uyuni5
  docker pull registry.opensuse.org/systemsmanagement/uyuni/master/containers/uyuni/proxy-squid:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.