CAPO v0.12.1

```
podman run --rm gcr.io/k8s-staging-capi-openstack/capi-openstack-controller@sha256:1dc4c2a9c951244bf3171270ec04badf25a359294e286a2b314a6141e0ca95e8 --version
v0.12.1
```

Author: EmilienM

registry.k8s.io/images/k8s-staging-capi-openstack/images.yaml

@@ -52,3 +52,4 @@
     "sha256:8a2bbbb5a754c069819a26b720b7121fe5e7ff2f1aaf18bf668de40840257c6c": ["v0.11.4"]
     "sha256:1b0a71dca4aa9d831ed9722eac86ee69014bdedf3b241b8e3bf71bae11d5b5f8": ["v0.12.0-rc.0"]
     "sha256:a619386d20b8c61c9946b48ea4efbedea3ab6426ff600625944ae972627e27a9": ["v0.12.0"]
+    "sha256:1dc4c2a9c951244bf3171270ec04badf25a359294e286a2b314a6141e0ca95e8": ["v0.12.1"]