Try user with non-write perms (#43149)

.github/policies/request-review.yml

@@ -8,14 +8,35 @@ where:
 configuration:
   resourceManagementConfiguration:
     eventResponderTasks:
-      - description: Request review from gewarren for code analysis files.
+      - description: Request review from diberry (non-write perms) for code analysis files.
         if:
           - payloadType: Pull_Request
           - isAction:
               action: Opened
           - filesMatchPattern:
               pattern: docs/fundamentals/code-analysis/*
               matchAny: true
+        then:
+          - requestReview:
+              reviewer: diberry
+          - mentionUsers:
+              mentionees:
+                - diberry
+              replyTemplate: "Mentioning as a test: ${mentionees}"
+
+      - description: Request review from gewarren and dotnet/docs for ML files.
+        if:
+          - payloadType: Pull_Request
+          - isAction:
+              action: Opened
+          - filesMatchPattern:
+              pattern: docs/machine-learning/*
+              matchAny: true
         then:
           - requestReview:
               reviewer: gewarren
+              teamReviewer: dotnet/docs
+          - mentionUsers:
+              mentionees:
+                - gewarren
+              replyTemplate: "Mentioning as a test: ${mentionees}"