Add Windows CI (#3628)
* Add Windows CI
* Update changelog
* fix
* Skip one test on Windows
* Preserve virtualenv path
* Skip another test on Windows
* Make conditional flaky
* Requested changes
* consistent os
* cleanup
* fix test for windows
* remove unnecessary check
* lint
* lint
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Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
