chore(package): update husky to version 4.0.3

Closes #57

Author: greenkeeper[bot]

package.json

@@ -46,7 +46,7 @@
   "devDependencies": {
     "chai": "^4.1.2",
     "coveralls": "^3.0.2",
-    "husky": "^3.0.0",
+    "husky": "^4.0.3",
     "mocha": "^6.1.4",
     "nyc": "^14.1.1",
     "standard": "^12.0.1"