chore(package): update husky to version 4.2.0

Closes #15

Author: greenkeeper[bot]

Diff for: package.json

@@ -55,7 +55,7 @@
     "eslint-plugin-prettier": "^2.1.2",
     "graphql": "^0.11.7",
     "graphql-tools": "^2.5.1",
-    "husky": "^0.14.3",
+    "husky": "^4.2.0",
     "jest": "^21.2.1",
     "nodemon": "^1.11.0",
     "prettier": "^1.5.3",