Setup homebrew in ubuntu machine (#46575)

Summary:
This change setups homebrew on Ubuntu. Due to https://github.com/actions/runner-images/issues/6283, brew is not in the PATH anymore.

## Changelog:
[Internal] - Setup homebrew in ubuntu machine

Pull Request resolved: https://github.com/facebook/react-native/pull/46575

Test Plan: Can't test before it lands. :(

Reviewed By: cortinico

Differential Revision: D63027253

Pulled By: cipolleschi

fbshipit-source-id: e0b3a3c1a2a7b0659f0c1f57c45d8d42a74734a1