chore(package): update cz-conventional-changelog to version 3.0.1

Closes #16

Author: greenkeeper[bot]

package.json

@@ -60,7 +60,7 @@
     "commitizen": "^2.8.6",
     "conventional-changelog-cli": "^1.2.0",
     "coveralls": "^2.11.14",
-    "cz-conventional-changelog": "^1.2.0",
+    "cz-conventional-changelog": "^3.0.1",
     "eslint": "^3.7.1",
     "eslint-plugin-ava": "^4.0.0",
     "husky": "^0.12.0",