Bumps [redux](https://github.com/reduxjs/redux) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/reduxjs/redux/releases)
- [Changelog](https://github.com/reduxjs/redux/blob/master/CHANGELOG.md)
- [Commits](https://github.com/reduxjs/redux/compare/v4.2.0...v4.2.1)

---
updated-dependencies:
- dependency-name: redux
  dependency-type: direct:development
  update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>