Package `torch.fx` type hints (#99541)
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### <samp>🤖 Generated by Copilot at ca3aab4</samp>
> _`fx` module traced_
> _Symbolic graphs transformed_
> _Type stubs for winter_
Fixes https://github.com/pytorch/pytorch/issues/99530
Pull Request resolved: https://github.com/pytorch/pytorch/pull/99541
Approved by: https://github.com/kit1980, https://github.com/Chillee
