This container can be pulled via:
  docker pull registry.opensuse.org/devel/kubic/containers/container_arm/opensuse/squid:4.13
  docker pull registry.opensuse.org/devel/kubic/containers/container_arm/opensuse/squid:4.13-9.499
  docker pull registry.opensuse.org/devel/kubic/containers/container_arm/opensuse/squid:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.