chore(package): update cz-conventional-changelog to version 3.2.0

Closes #15

Author: greenkeeper[bot]

package.json

@@ -30,7 +30,7 @@
     "babel-loader": "^6.2.4",
     "babel-preset-es2015": "^6.6.0",
     "coveralls": "^2.11.9",
-    "cz-conventional-changelog": "^1.1.6",
+    "cz-conventional-changelog": "^3.2.0",
     "dgeni": "^0.4.2",
     "dgeni-alive": "^0.4.0",
     "grunt": "^1.0.1",