Bump jshint from 2.8.0 to 2.13.6

Bumps [jshint](https://github.com/jshint/jshint) from 2.8.0 to 2.13.6.
- [Release notes](https://github.com/jshint/jshint/releases)
- [Changelog](https://github.com/jshint/jshint/blob/main/CHANGELOG.md)
- [Commits](jshint/jshint@2.8.0...2.13.6)

---
updated-dependencies:
- dependency-name: jshint
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -33,7 +33,7 @@
 		"grunt-saucelabs": "~8.6.1",
 		"jscs": "2.0.0",
 		"jsdoc": "3.2.2",
-		"jshint": "2.8.0",
+		"jshint": "2.13.6",
 		"mocha": "^2.2.1",
 		"precommit-hook": "1.0.7",
 		"sinon": "1.17.3"