Bumps [jest](https://github.com/facebook/jest) from 26.6.1 to 26.6.3. - [Release notes](https://github.com/facebook/jest/releases) - [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md) - [Commits](https://github.com/facebook/jest/compare/v26.6.1...v26.6.3) Signed-off-by: dependabot[bot] <support@github.com>