Enable manual test config label selection on Windows (#84669)
After https://github.com/pytorch/pytorch/pull/83690, functorch team has started using the new label in some of their [PRs](https://github.com/pytorch/pytorch/labels/test-config%2Ffunctorch). So this enabled the same feature on Windows.
### Issues
#82367
Pull Request resolved: https://github.com/pytorch/pytorch/pull/84669
Approved by: https://github.com/ZainRizvi
