Add job to run maestro tests using the iOS template (#45703)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/45703

## Context
Running manual tests when preparing a release, it's time consuming.
We have to do the cherry picks, wait for CI to finish, and then manually test 8 configurations.

Maestro is a tool that allow us to run E2E tests automatically, and we can wire it to CI.

## Change

Add job to create a new iOS app from the template and run maestro test on it

Changelog:
[Internal] - Exploration to integrate maestro

Reviewed By: blakef

Differential Revision: D60282811

fbshipit-source-id: 2a1dcb1de09795bd0323357455e98a7fa379a2e7