Bump gulp-mocha from 9.0.0 to 10.0.0

Bumps [gulp-mocha](https://github.com/sindresorhus/gulp-mocha) from 9.0.0 to 10.0.0.
- [Release notes](https://github.com/sindresorhus/gulp-mocha/releases)
- [Commits](sindresorhus/gulp-mocha@v9.0.0...v10.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>