update api url

app.py

@@ -166,7 +166,7 @@ def retriever(query: str, selected_retriever: str):
             'claim': query,
         }
 
-        url = "http://3.144.111.110"
+        url = "http://18.227.0.215"
         port = "8000"
         response = requests.post(f'{url}:{port}/{retriever_endpoint}', headers=headers, json=json_data)
         documents = response.json()["Documents"]