chore(package): update husky to version 4.2.1

Closes #32

Author: greenkeeper[bot]

package.json

@@ -12,7 +12,7 @@
   "license": "MIT",
   "devDependencies": {
     "eslint": "^5.4.0",
-    "husky": "^1.0.0",
+    "husky": "^4.2.1",
     "mocha": "^5.2.0"
   },
   "repository": {