Bump hermes-engine and react-native
Removes [hermes-engine](https://github.com/facebook/hermes). It's no longer used after updating ancestor dependency [react-native](https://github.com/facebook/react-native). These dependencies need to be updated together.
Removes `hermes-engine`
Updates `react-native` from 0.64.2 to 0.70.1
- [Release notes](https://github.com/facebook/react-native/releases)
- [Changelog](https://github.com/facebook/react-native/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react-native/compare/v0.64.2...v0.70.1)
---
updated-dependencies:
- dependency-name: hermes-engine
dependency-type: indirect
- dependency-name: react-native
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>
dependabot[bot]