chore(package): update husky to version 2.1.0

Closes #60

Author: greenkeeper[bot]

package.json

@@ -60,7 +60,7 @@
   },
   "devDependencies": {
     "date-fns": "^1.29.0",
-    "husky": "^1.1.2",
+    "husky": "^2.1.0",
     "jest": "latest",
     "jest-matcher-utils": "^23.0.0",
     "lint-staged": "^7.3.0",