build(deps-dev): bump gulp-cli from 2.3.0 to 3.0.0 in /docs/v3 (#3751)

Bumps [gulp-cli](https://github.com/gulpjs/gulp-cli) from 2.3.0 to 3.0.0.
- [Release notes](https://github.com/gulpjs/gulp-cli/releases)
- [Changelog](https://github.com/gulpjs/gulp-cli/blob/master/CHANGELOG.md)
- [Commits](gulpjs/gulp-cli@v2.3.0...v3.0.0)

---
updated-dependencies:
- dependency-name: gulp-cli
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]