Upgrade hermes-* packages in xplat and arvr to version 0.12.0 (#37648)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/37648

Upgrade hermes parser packages to the latest released versions.

Changelog is here: https://github.com/facebook/hermes/blob/main/tools/hermes-parser/js/CHANGELOG.md
Main differences are improved parser support for new Flow features.

Changelog: [Internal]

Reviewed By: SamChou19815

Differential Revision: D46303102

fbshipit-source-id: 4989581757df6422174b2d0ddb8fd38be94bfc89