Bump gulp-header from 2.0.7 to 2.0.9
Bump gulp-header from 2.0.7 to 2.0.9

Bumps [gulp-header](https://github.com/tracker1/gulp-header) from 2.0.7 to 2.0.9.
- [Release notes](https://github.com/tracker1/gulp-header/releases)
- [Changelog](https://github.com/tracker1/gulp-header/blob/master/changelog.md)
- [Commits](https://github.com/tracker1/gulp-header/compare/v2.0.7...v2.0.9)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
davidkna/zsh-goggles,davidkna/zsh-goggles