Merge pull request #8704 from michaelhtm/chore/kro/v0.5.1

chore(kro): promote kro v0.5.1 image and helm chart

Author: k8s-ci-robot

registry.k8s.io/images/k8s-staging-kro/images.yaml

@@ -1,6 +1,8 @@
 - name: kro
   dmap:
     "sha256:1abd0e5f7c2719162067eb478a647562c2a8d1580c6e9038a9eb28b7ec2e5f0f": ["v0.5.0-rc.1", "v0.5.0"]
+    "sha256:2391f2fe784e675c0ec8f8af81079074db6dac8107f379942551a3196fd930e7": ["v0.5.1"]
 - name: charts/kro
   dmap:
     "sha256:8de045ac83ec0f394142322fd2b810a9c89ae37ed1fdf6f5172b1d30a08b0d8d": ["v0.5.0-rc.1", "0.5.0-rc.1", "v0.5.0", "0.5.0"]
+    "sha256:54b91f6fb0bbe34f95e10524e1823049e425eff7ded47ad106b17ca920e71f1a": ["0.5.1"]