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

Closes #31

Author: greenkeeper[bot]

package.json

@@ -51,7 +51,7 @@
     "babel-preset-react": "6.24.1",
     "commitizen": "2.9.6",
     "conventional-changelog-cli": "1.3.21",
-    "cz-conventional-changelog": "2.1.0",
+    "cz-conventional-changelog": "3.0.2",
     "esdoc": "1.0.4",
     "esdoc-ecmascript-proposal-plugin": "1.0.0",
     "esdoc-jsx-plugin": "1.0.0",