Update PutHuggingFaceRequestExample2 yaml - task settings optional

Author: Evgenii-Kazannik

specification/inference/put_hugging_face/examples/request/PutHuggingFaceRequestExample2.yaml

@@ -10,6 +10,7 @@ value: |-
           "url": "url-endpoint" 
       },
       "task_settings": {
-          "return_text": true
+          "return_documents": true,
+          "top_n": 3
       }
   }