.github: Add Windows GPU workflow (#58782)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/58782
[skip ci]
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
Test Plan: Imported from OSS
Reviewed By: samestep
Differential Revision: D28645531
Pulled By: seemethere
fbshipit-source-id: 6ed1a2dead9cca29e26e613afdbcf46ba7cee88c