Bump eslint-plugin-react from 7.34.1 to 7.34.3 in /assets (#2764)

Bumps [eslint-plugin-react](https://github.com/jsx-eslint/eslint-plugin-react) from 7.34.1 to 7.34.3.
- [Release notes](https://github.com/jsx-eslint/eslint-plugin-react/releases)
- [Changelog](https://github.com/jsx-eslint/eslint-plugin-react/blob/master/CHANGELOG.md)
- [Commits](jsx-eslint/eslint-plugin-react@v7.34.1...v7.34.3)

---
updated-dependencies:
- dependency-name: eslint-plugin-react
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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