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

Closes #76

Author: greenkeeper[bot]

package.json

@@ -29,7 +29,7 @@
   "devDependencies": {
     "@google-cloud/storage": "^1.4.0",
     "commitizen": "^2.9.6",
-    "cz-conventional-changelog": "^2.1.0",
+    "cz-conventional-changelog": "^3.2.0",
     "eslint": "^4.9.0",
     "eslint-config-finn": "^3.0.0",
     "eslint-config-finn-prettier": "^3.0.1",