Merge pull request #7 from RDIL/dependabot/npm_and_yarn/grunt-exec-approx-3.0.0

Update grunt-exec requirement from ~1.0.1 to ~3.0.0

Author: RDIL

package.json

@@ -16,7 +16,7 @@
     "grunt-contrib-sass": "~1.0.0",
     "grunt-contrib-uglify": "~4.0.1",
     "grunt-contrib-watch": "~1.1.0",
-    "grunt-exec": "~1.0.1",
+    "grunt-exec": "~3.0.0",
     "grunt-open": "0.2.4",
     "matchdep": "~2.0.0"
   }