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

Closes #42

Author: greenkeeper[bot]

package.json

@@ -40,7 +40,7 @@
     "chokidar-cli": "^1.2.0",
     "commitizen": "^2.9.6",
     "cross-env": "^5.1.3",
-    "cz-conventional-changelog": "^2.1.0",
+    "cz-conventional-changelog": "^3.0.1",
     "es6-plato": "^1.0.16",
     "eslint": "^4.17.0",
     "eslint-config-airbnb-base": "^12.1.0",