Merge pull request #8828 from mboersma/cluster-api-helm-v0.5.2-image-promotion

Image promotion for cluster-api-helm v0.5.2

Author: k8s-ci-robot

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

@@ -24,3 +24,4 @@
     "sha256:c04d0408ee13a5bb18c27db6ded9890bef53b2701b834a6d3ba9dbdcefc51769": ["v0.4.2"]
     "sha256:7364b2462b0d820a59f72c0298b6776bc536758f9501c3c77d500d6031621d5f": ["v0.5.0"]
     "sha256:60d7afc1745efd478cfa145b36540d2bf5d0cbb89491b0924e3cf4450f368286": ["v0.5.1"]
+    "sha256:db44c06875f1af832f5f192ea46424385a51e643454caf84501feb953f2a4d52": ["v0.5.2"]