change gpt-4-turbo maxResponse configuration template (#814)

用最新的配置文件4.6.8 ，对话选gpt-4-turbo 报错：
null max_tokens is too large: 62500. This model supports at most 4096 completion tokens, whereas you provided 62500. (request id: 20240202110253407344738SmDnkwX1)
原因是官方gpt-4-turbo 最大的返回token 4096.

docSite/content/docs/development/configuration.md

@@ -224,7 +224,7 @@ llm模型全部合并
       "model": "gpt-4-0125-preview",
       "name": "gpt-4-turbo",
       "maxContext": 125000,
-      "maxResponse": 125000,
+      "maxResponse": 4000,
       "quoteMaxToken": 100000,
       "maxTemperature": 1.2,
       "inputPrice": 0,