Run ESLint in Danger (#34305)

Summary:
This PR runs eslint in PR using Danger.

## Changelog

[General] [Changed] - Run ESLint in CI

Pull Request resolved: https://github.com/facebook/react-native/pull/34305

Test Plan:
1. Add a JS lint error in the package/react-native-codegen package.
2. Observe the CI task post a message with the errors
3. Fix the errors
4. Observe the CI task report completion with no errors

Reviewed By: cortinico

Differential Revision: D38315268

Pulled By: cipolleschi

fbshipit-source-id: 9984402ee427dd62d47dd716f73c030e6d0f7b5e