Bumps [gulp](https://github.com/gulpjs/gulp) from 4.0.0 to 4.0.1.
- [Release notes](https://github.com/gulpjs/gulp/releases)
- [Changelog](https://github.com/gulpjs/gulp/blob/master/CHANGELOG.md)
- [Commits](https://github.com/gulpjs/gulp/compare/v4.0.0...v4.0.1)
Signed-off-by: dependabot[bot] <support@dependabot.com>