Merge pull request #7897 from cpanato/cluster-api-gcp-v1.9.0-image-promotion

Image promotion for cluster-api-gcp v1.9.0

Author: k8s-ci-robot

registry.k8s.io/images/k8s-staging-cluster-api-gcp/images.yaml

@@ -24,3 +24,4 @@
     "sha256:553009bdf598b0097b24d05c5e94542ef45e8d7c80c0af6d4f4a98f7edad9e86": ["v1.7.0"]
     "sha256:1553f3489f0d33da735d7271a1e75f175db3f8ec3d5142e02c4e256a5700bca5": ["v1.8.0"]
     "sha256:9fd7d5d5791fced5b775d8cad35502d8dfe7a2e028f5eff5380219753aaa64d7": ["v1.8.1"]
+    "sha256:766370009650293200dafd928e9d4212b9730495aa79873a11558a3e2a119642": ["v1.9.0"]