Update tree_config.json

Author: tianxing02

examples/data/config/tree_config.json

@@ -21,9 +21,9 @@
     "backend": "universal_api",
     "config": {
       "provider": "openai",
-      "api_key": "sk-jz4BGHJftedu1UYMPTt3r2h9s1DuQFU2Co74YZa1aMUUNokK",
+      "api_key": "sk-xxxxxxxxx",
       "model_name_or_path": "text-embedding-3-large",
-      "base_url": "http://123.129.219.111:3000/v1"
+      "base_url": "http://xxx.xxx.xxx.xxx:xxxx/v1"
     }
   },
   "graph_db": {