Fix the policy

Author: mkArtakMSFT

.github/policies/label-prs.yml

@@ -6,8 +6,8 @@ configuration:
   resourceManagementConfiguration:
     eventResponderTasks:
     - description: Label main to live PRs
-      triggerOnOwnActions: true
-      if:
+    - triggerOnOwnActions: true
+    - if:
       - payloadType: Pull_Request
       - isAction:
           action: Opened