This container can be pulled via:
  docker pull registry.opensuse.org/systemsmanagement/uyuni/master/charts/uyuni/proxy-helm:2025.04
  docker pull registry.opensuse.org/systemsmanagement/uyuni/master/charts/uyuni/proxy-helm:2025.4.0
  docker pull registry.opensuse.org/systemsmanagement/uyuni/master/charts/uyuni/proxy-helm:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.