chore(deps-dev): bump jest from 26.0.1 to 26.4.2 (#7)

Bumps [jest](https://github.com/facebook/jest) from 26.0.1 to 26.4.2.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](jestjs/jest@v26.0.1...v26.4.2)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>