fix(package): update loader-utils to version 1.4.0

Closes #66

Author: greenkeeper[bot]

package.json

@@ -37,7 +37,7 @@
   ],
   "dependencies": {
     "jscodeshift": "0.7.0",
-    "loader-utils": "1.2.3",
+    "loader-utils": "1.4.0",
     "parse5": "5.1.1",
     "postcss": "7.0.24",
     "postcss-load-config": "2.1.0"