Bump grunt-contrib-jshint from 3.0.0 to 3.1.1

Bumps [grunt-contrib-jshint](https://github.com/gruntjs/grunt-contrib-jshint) from 3.0.0 to 3.1.1.
- [Release notes](https://github.com/gruntjs/grunt-contrib-jshint/releases)
- [Changelog](https://github.com/gruntjs/grunt-contrib-jshint/blob/main/CHANGELOG)
- [Commits](https://github.com/gruntjs/grunt-contrib-jshint/commits/v3.1.1)

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

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

Author: dependabot[bot]

package-lock.json

@@ -35,7 +35,7 @@
     "devDependencies": {
         "grunt": "^1.0.3",
         "grunt-contrib-clean": "~2.0",
-        "grunt-contrib-jshint": "~3.0",
+        "grunt-contrib-jshint": "~3.1",
         "grunt-contrib-nodeunit": "~4.0",
         "grunt-exec": "~3.0",
         "nodeunit": "^0.11.3"