build(deps-dev): bump eslint-config-prettier in /frontend

Bumps [eslint-config-prettier](https://github.com/prettier/eslint-config-prettier) from 8.3.0 to 8.4.0.
- [Release notes](https://github.com/prettier/eslint-config-prettier/releases)
- [Changelog](https://github.com/prettier/eslint-config-prettier/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prettier/eslint-config-prettier/compare/v8.3.0...v8.4.0

)

---
updated-dependencies:
- dependency-name: eslint-config-prettier
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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