Factor out build-hermesc-windows in separate action (#45432)

Summary:
This change factors out the build hermesc windows job into a separate action to reuse the code in different jobs

## Changelog:
[Internal] - Factor out build hermesc windows for code reuse

Pull Request resolved: https://github.com/facebook/react-native/pull/45432

Test Plan: GHA are green

Reviewed By: blakef

Differential Revision: D59748955

Pulled By: cipolleschi

fbshipit-source-id: bb6b96c93ec7ba6af1a210511ec672907f237b45