[Test] Enable Hermes jobs

[Saadnajmi]

⚠️ Make sure you are targeting microsoft/react-native-macos for your PR ⚠️

(then delete these lines)

Please select one of the following

• I am removing an existing difference between facebook/react-native and microsoft/react-native-macos 👍
• I am cherry-picking a change from Facebook's react-native into microsoft/react-native-macos 👍
• I am making a fix / change for the macOS implementation of react-native
• I am making a change required for Microsoft usage of react-native

Summary:

Changelog:

Test Plan:

[Saadnajmi]

Closing to combine with #2104