Adding report_sensitivity_level value.

Author: buck1ey

.openpublishing.publish.config.json

@@ -20,6 +20,7 @@
     }
   ],
   "notification_subscribers": [],
+  "report_severity_level": "Verbose",
   "sync_notification_subscribers": [
     "[email protected]"
   ],
@@ -59,4 +60,4 @@
     "name": "docfx_v3"
   },
   "need_generate_intellisense": false
-}
+}