📦 reset package versions to "[Snyk] Fix for 4 vulnerable dependencies"

Author: DoubleU23

package.json

@@ -16,7 +16,7 @@
     "native-css": "^2.0.0",
     "path": "^0.12.7",
     "loader-utils": "^1.1.0",
-    "mocha": "^5.0.3",
+    "mocha": "^4.0.0",
     "should": "^7.1.1"
   },
   "scripts": {