This container can be pulled via:
  docker pull registry.opensuse.org/home/steven.hardy/branches/isv/metal3/packages/containerfile/suse/cluster-api-provider-rke2-bootstrap:0.2.6
  docker pull registry.opensuse.org/home/steven.hardy/branches/isv/metal3/packages/containerfile/suse/cluster-api-provider-rke2-bootstrap:0.2.6-bp155.4.31
  docker pull registry.opensuse.org/home/steven.hardy/branches/isv/metal3/packages/containerfile/suse/cluster-api-provider-rke2-bootstrap:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.