promote cloud provider kind to v0.5.0

Change-Id: I1213bd6a79980ddaffbff78a0823388c2ab92328

Author: aojea

registry.k8s.io/images/k8s-staging-cloud-provider-kind/images.yaml

@@ -1,3 +1,4 @@
 - name: cloud-controller-manager
   dmap:
+    "sha256:302f1b050c951ebdb384db98f5bc028b84bae727cc7fdf07264b46d148a386bb": ["v0.5.0"]
     "sha256:cacb2da53a0d3b363bf53f11c9e0f714d7605471130a43ae7d1e161da0c3cbdb": ["v0.4.0"]