chore(package): update husky to version 0.13.4

Closes #14

Author: greenkeeper[bot]

package.json

@@ -69,7 +69,7 @@
     "eslint": "^3.14.0",
     "eslint-plugin-ava": "^4.0.1",
     "fetch-mock": "^5.5.0",
-    "husky": "^0.12.0",
+    "husky": "^0.13.4",
     "mock-webstorage": "^1.0.3",
     "nyc": "^10.0.0",
     "rimraf": "^2.5.4",