Bump grunt-mocha from 0.4.15 to 1.2.0
Bump grunt-mocha from 0.4.15 to 1.2.0

Bumps [grunt-mocha](https://github.com/disqus/grunt-mocha) from 0.4.15 to 1.2.0.
- [Release notes](https://github.com/disqus/grunt-mocha/releases)
- [Changelog](https://github.com/disqus/grunt-mocha/blob/master/HISTORY.md)
- [Commits](https://github.com/disqus/grunt-mocha/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
thorsten/rinne.info,thorsten/rinne.info