chore(package): update husky to version 0.13.1

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -80,7 +80,7 @@
     "eslint-watch": "^2.1.14",
     "flow-bin": "^0.38.0",
     "flow-watch": "^1.1.0",
-    "husky": "^0.12.0",
+    "husky": "^0.13.1",
     "istanbul": "^0.4.5",
     "jsdom": "^9.9.1",
     "jsdom-global": "^2.1.1",