trunk/0476f0bcaefcbd3225a98beb253658e70e3643d0: [Windows] Depend on PyPI CUDA runtime packages in wheels (#194056)
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What happened
Summary This PR teaches Windows PyTorch CUDA wheels to locate their CUDA runtime DLLs from installed NVIDIA PyPI packages (via cuda-pathfinder) rather than bundling them inside torch/lib/. It adds per-OS wheel dependency metadata, updates the build matrix generator, adjusts CMake to skip bundling when using PyPI-sourced runtimes, and adds a Windows smoke test that validates the declared cuda-toolkit version matches…
Summary assembled by rule from the sources below