.github: Ensure cleaner windows workspace (#59742)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/59742
It looks like Windows workers were failing out due to some leftovers
from previous builds, this should hopefully remedy some of those errors
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
Test Plan: Imported from OSS
Reviewed By: janeyx99
Differential Revision: D29009076
Pulled By: seemethere
fbshipit-source-id: 426d54df14ec580cb24b818c48e2f4bd36159181
