Merge pull request #38 from git-for-windows/dependabot/npm_and_yarn/grunt-1.5.3

Bump grunt from 1.5.2 to 1.5.3

Author: dscho

package-lock.json

@@ -22,7 +22,7 @@
     "test": "grunt"
   },
   "dependencies": {
-    "grunt": "^1.5.2",
+    "grunt": "^1.5.3",
     "grunt-contrib-connect": "^3.0.0",
     "grunt-contrib-cssmin": "^4.0.0",
     "grunt-contrib-uglify": "^5.0.1",