This container can be pulled via:
  docker pull registry.opensuse.org/virtualization/containerfile/kubevirt/cdi-uploadproxy:1.60.3
  docker pull registry.opensuse.org/virtualization/containerfile/kubevirt/cdi-uploadproxy:1.60.3-Virt.1699.89.2
  docker pull registry.opensuse.org/virtualization/containerfile/kubevirt/cdi-uploadproxy:1.60.3.Virt.1699.25.223

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.