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

Closes #53

Author: greenkeeper[bot]

package.json

@@ -39,7 +39,7 @@
     "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-plugin-transform-decorators-legacy": "^1.3.4",
     "babel-plugin-transform-imports": "^1.5.0",
-    "cz-conventional-changelog": "^2.1.0",
+    "cz-conventional-changelog": "^3.2.0",
     "eslint": "^5.0.0",
     "eslint-config-prettier": "^4.1.0",
     "eslint-config-prettier-standard": "^2.0.0",