Promote Cluster API Azure v0.5.0

Author: Cecile Robert-Michon

k8s.gcr.io/images/k8s-staging-cluster-api-azure/images.yaml

@@ -19,3 +19,4 @@
     "sha256:4b6361926a1448818023ca42b1859ba5a7b7e33b3c7682fbda4e7c74045dbb7c": ["v0.4.13"]
     "sha256:de720b41b2f25b69c6bb4f84e5b8987214f18edf28c4390aaa810a4cd548fb4a": ["v0.4.14"]
     "sha256:e62591fa03e7d63735d19939d6c8091760e32635687428130294b6b74c632a15": ["v0.4.15"]
+    "sha256:da43384036f94cdbf9183318653aa06f1bb91027997c6483c2562c0628f33c08": ["v0.5.0"]