chore(langgraph): compose 图像 v6 (gunicorn timeout 1800)

cfc-langgraph/docker-compose.yml

@@ -21,7 +21,7 @@ services:
       retries: 3
 
   langgraph-svc:
-    image: cfc-langgraph-langgraph-svc:v5
+    image: cfc-langgraph-langgraph-svc:v6
     build:
       context: .
       dockerfile: Dockerfile