chore(package): update husky to version 4.2.4

Closes #12

Author: greenkeeper[bot]

package.json

@@ -9,7 +9,7 @@
     "eslint-plugin-mocha": "^5.0.0",
     "gulp": "^3.9.0",
     "gulp-eslint": "^5.0.0",
-    "husky": "^1.0.0",
+    "husky": "^4.2.4",
     "mocha": "^5.0.0",
     "vinyl": "^2.1.0"
   },