Bump gulp-eslint from 3.0.1 to 6.0.0
Bump gulp-eslint from 3.0.1 to 6.0.0

Bumps [gulp-eslint](https://github.com/adametry/gulp-eslint) from 3.0.1 to 6.0.0.
- [Release notes](https://github.com/adametry/gulp-eslint/releases)
- [Changelog](https://github.com/adametry/gulp-eslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/adametry/gulp-eslint/compare/v3.0.1...v6.0.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
projek-xyz/slim-skeleton,projek-xyz/slim-skeleton