Bump jshint from 2.11.1 to 2.12.0 (#37)

Bumps [jshint](https://github.com/jshint/jshint) from 2.11.1 to 2.12.0.
- [Release notes](https://github.com/jshint/jshint/releases)
- [Changelog](https://github.com/jshint/jshint/blob/master/CHANGELOG.md)
- [Commits](jshint/jshint@2.11.1...2.12.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>