Fix CI failures: langgraph version, ty version pin, and uv.lock refresh #618

Job	Run time
format	12s
typechecking for .	11s
ruff check for integrations/openai	11s
ruff check for integrations/langchain	14s
ruff check for .	9s
ruff check for databricks_mcp	11s
ruff check for integrations/dspy	11s
typechecking for integrations/langchain	12s
typechecking for integrations/llamaindex	11s
typechecking for integrations/openai	14s
typechecking for databricks_mcp	11s
ruff check for integrations/llamaindex	10s
typechecking for integrations/dspy	11s
	2m 28s

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