[Windows] Support windows for pybindings install in setup.py

[SamGondelman]

Summary

Cherry-pick of #5382, brought up to date

Test plan

With this change, it might be possible to build Windows now, once the other PRs are merged?

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8917

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As of commit b14e4dd with merge base 24671a9 ():
💚 Looks good so far! There are no failures yet. 💚

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[JacobSzwejbka]

There are some merge conflicts now

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[github-actions]

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[github-actions]

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