Bump jshint from 2.9.6 to 2.9.7

Bumps [jshint](https://github.com/jshint/jshint) from 2.9.6 to 2.9.7.
- [Release notes](https://github.com/jshint/jshint/releases)
- [Changelog](https://github.com/jshint/jshint/blob/master/CHANGELOG.md)
- [Commits](jshint/jshint@2.9.6...2.9.7)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot-support