chore(package): update husky to version 4.2.4

Closes #10

Author: greenkeeper[bot]

package.json

@@ -20,7 +20,7 @@
     "eslint": "^5.8.0",
     "eslint-config-airbnb-base": "^13.1.0",
     "eslint-plugin-import": "^2.14.0",
-    "husky": "^1.1.2",
+    "husky": "^4.2.4",
     "jest": "^23.6.0",
     "mocha": "^5.2.0",
     "rollup": "^0.66.6"