Bump jest from 26.4.2 to 26.6.3

Bumps [jest](https://github.com/facebook/jest) from 26.4.2 to 26.6.3.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](jestjs/jest@v26.4.2...v26.6.3)

Signed-off-by: dependabot[bot] <support@github.com>