chore(package): update cz-conventional-changelog to version 3.0.2

Closes #86

Author: greenkeeper[bot]

package.json

@@ -61,7 +61,7 @@
     "commitizen": "^2.8.6",
     "conventional-changelog-cli": "^1.2.0",
     "coveralls": "^2.13.1",
-    "cz-conventional-changelog": "^2.0.0",
+    "cz-conventional-changelog": "^3.0.2",
     "eslint": "^4.1.1",
     "eslint-plugin-ava": "^4.2.1",
     "eslint-plugin-react": "^7.1.0",