{AKS} Update AKS issue policy (#31086)

Author: FumingZhang

.github/policies/resourceManagement.yml

@@ -231,7 +231,7 @@ configuration:
         then:
         - mentionUsers:
             mentionees:
-            - dyu1208
+            - mbifeld
             - FumingZhang
             - andyliuliming
             replyTemplate: Thanks for the feedback! We are routing this to the appropriate team for follow-up. cc ${mentionees}.