chore(package): update husky to version 2.4.0

Closes #75

Author: greenkeeper[bot]

package.json

@@ -86,7 +86,7 @@
     "@types/node": "10.12.12",
     "@types/request": "2.48.1",
     "chai": "4.2.0",
-    "husky": "1.2.0",
+    "husky": "2.4.0",
     "lint-staged": "8.1.0",
     "mocha": "5.2.0",
     "nodemon": "1.18.7",