Merge pull request #6752 from cpanato/cluster-api-do-v1.5.0-image-promotion

Image promotion for cluster-api-do v1.5.0

Author: k8s-ci-robot

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

@@ -20,3 +20,4 @@
     "sha256:5abe264804217c945d211bcf43b6ecebca7665532ff52984f1a904fc37331276": ["v1.3.0"]
     "sha256:89a506f0b9fe0ff2c353e025dba78557df1ba33bbd6ee80bf39ea5aea3acc319": ["v1.4.0"]
     "sha256:ae509e73c1d6cfc4bf99a2dcb9510509b2b7e98bcd244aa39fabeb558baf4c4f": ["v1.4.1"]
+    "sha256:31891e89847a70cbae73b74361a8f9ea8b6da05a3beaa62f237ea789425e9233": ["v1.5.0"]