Bump grunt-eslint from 22.0.0 to 23.0.0

Bumps [grunt-eslint](https://github.com/sindresorhus/grunt-eslint) from 22.0.0 to 23.0.0.
- [Release notes](https://github.com/sindresorhus/grunt-eslint/releases)
- [Commits](sindresorhus/grunt-eslint@v22.0.0...v23.0.0)

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

package.json

@@ -41,7 +41,7 @@
     "grunt": "^1.0.4",
     "grunt-contrib-concat": "^1.0.1",
     "grunt-contrib-uglify": "^4.0.1",
-    "grunt-eslint": "^22.0.0",
+    "grunt-eslint": "^23.0.0",
     "grunt-karma": "^3.0.2",
     "grunt-karma-coveralls": "^2.5.4",
     "grunt-run": "^0.8.1",