Bump grunt-newer from 1.1.2 to 1.3.0 in /js

Bumps [grunt-newer](https://github.com/tschaub/grunt-newer) from 1.1.2 to 1.3.0.
- [Release notes](https://github.com/tschaub/grunt-newer/releases)
- [Changelog](https://github.com/tschaub/grunt-newer/blob/master/changelog.md)
- [Commits](tschaub/grunt-newer@v1.1.2...v1.3.0)

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

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

js/package.json

@@ -25,7 +25,7 @@
     "grunt-contrib-concat": "~0.1.2",
     "grunt-contrib-less": "~0.6.4",
     "grunt-contrib-watch": "~0.2.0",
-    "grunt-newer": "~1.1.1",
+    "grunt-newer": "~1.3.0",
     "grunt-wrap": "~0.2.0"
   },
   "engine": "node >= 0.8"