Summary:
Adds tvOS to the list of Apple platforms supported by the Hermes artifacts. After this, the React Native TV builds will be able to use the same Hermes artifacts as those used by RN core.

~Added some code in `hermes-utils.rb` so that the Hermes podspec can use a local Maven repo (`/tmp/maven-local`).~

> *Note:* ~This PR should not be merged until the corresponding Hermes PR https://github.com/facebook/hermes/pull/1529 is merged.~ (https://github.com/facebook/hermes/pull/1529 has been merged)

## Changelog:

[iOS][Added] tvOS support for Hermes artifacts

Pull Request resolved: https://github.com/facebook/react-native/pull/46865

Test Plan: - tvOS is also added to the build and test GitHub workflows.

Reviewed By: rshest

Differential Revision: D64461324

Pulled By: cipolleschi

fbshipit-source-id: d63889c60c72519818e7076cd0ab5851791715a1