Bump eslint and eslint-plugin-react

Bumps [eslint](https://github.com/eslint/eslint) and [eslint-plugin-react](https://github.com/yannickcr/eslint-plugin-react). These dependencies needed to be updated together.

Updates `eslint` from 4.19.1 to 5.10.0
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v4.19.1...v5.10.0)

Updates `eslint-plugin-react` from 7.6.1 to 7.11.1
- [Release notes](https://github.com/yannickcr/eslint-plugin-react/releases)
- [Changelog](https://github.com/yannickcr/eslint-plugin-react/blob/master/CHANGELOG.md)
- [Commits](jsx-eslint/eslint-plugin-react@v7.6.1...v7.11.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot-support