Merge pull request #4826 from mboersma/willie-maintains

Add willie-yao to project maintainers

Author: k8s-ci-robot

OWNERS_ALIASES

@@ -19,8 +19,8 @@ aliases:
     - mboersma
     - nojnhuh
     - Jont828
+    - willie-yao
   cluster-api-azure-reviewers:
     - jsturtevant
     - marosset
     - nawazkh
-    - willie-yao