This container can be pulled via:
  docker pull registry.opensuse.org/systemsmanagement/uyuni/snapshots/2022.12/charts/uyuni/proxy:2022.12.0
  docker pull registry.opensuse.org/systemsmanagement/uyuni/snapshots/2022.12/charts/uyuni/proxy:2022.12.0-build69.1.uyuni2
  docker pull registry.opensuse.org/systemsmanagement/uyuni/snapshots/2022.12/charts/uyuni/proxy:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.