Mention MEAI owners (#10831)

Author: gewarren

.github/policies/mention-owners.yml

@@ -406,6 +406,26 @@ configuration:
                   replyTemplate: >-
                     Tagging subscribers to this area: ${mentionees}
                   assignMentionees: False
+          - if:
+              - labelAdded:
+                  label: area-Extensions-AI
+            then:
+              - mentionUsers:
+                  mentionees:
+                    - dotnet/dotnet-extensions-ai
+                  replyTemplate: >-
+                    Tagging subscribers to this area: ${mentionees}
+                  assignMentionees: False
+          - if:
+              - labelAdded:
+                  label: area-Extensions-AI-Evaluation
+            then:
+              - mentionUsers:
+                  mentionees:
+                    - dotnet/dotnet-extensions-ai-evaluation
+                  replyTemplate: >-
+                    Tagging subscribers to this area: ${mentionees}
+                  assignMentionees: False
           - if:
               - labelAdded:
                   label: area-Extensions-Caching