feat: enable usage of langgraph v1 with ag-ui (#403)

Author: ranst91

typescript-sdk/integrations/langgraph/python/pyproject.toml

@@ -14,7 +14,7 @@ ag-ui-protocol = "==0.1.9"
 fastapi = { version = "^0.115.12", optional = true }
 langchain = ">=0.3.0"
 langchain-core = ">=0.3.0"
-langgraph = ">=0.3.25,<0.7.0"
+langgraph = ">=0.3.25,<1.1.0"
 
 [tool.poetry.extras]
 fastapi = ["fastapi"]