Move HelloWorld jobs from CCI to GHA (#44875)

Summary:
This change migrates the GHA template jobs to the HelloWorld package for iOS.

## Changelog:
[Internal] - Move iOS template jobs to HelloWorld

Pull Request resolved: https://github.com/facebook/react-native/pull/44875

Test Plan: GHA are green

Reviewed By: cortinico

Differential Revision: D58459398

Pulled By: cipolleschi

fbshipit-source-id: 95404445d7375186860af5835b750b4735795434