Bump eslint-plugin-import from 2.19.1 to 2.20.0 (#12888)

Bumps [eslint-plugin-import](https://github.com/benmosher/eslint-plugin-import) from 2.19.1 to 2.20.0.
- [Release notes](https://github.com/benmosher/eslint-plugin-import/releases)
- [Changelog](https://github.com/benmosher/eslint-plugin-import/blob/master/CHANGELOG.md)
- [Commits](https://github.com/benmosher/eslint-plugin-import/compare/v2.19.1...v2.20.0

)

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