chore(package): update husky to version 4.2.5

Closes #14

Author: greenkeeper[bot]

package.json

@@ -70,7 +70,7 @@
     "eslint-plugin-ava": "^4.0.1",
     "fake-indexeddb": "^1.0.8",
     "fetch-mock": "^5.5.0",
-    "husky": "^0.12.0",
+    "husky": "^4.2.5",
     "nyc": "^10.0.0",
     "rimraf": "^2.5.4",
     "sinon": "^2.0.0",