chore(package): cz-conventional-changelog to version 3.0.0 (#527)

Author: greenkeeper[bot]

package.json

@@ -146,7 +146,7 @@
     "coveralls": "3.0.3",
     "cross-env": "^5.0.5",
     "cypress": "^3.0.2",
-    "cz-conventional-changelog": "^2.1.0",
+    "cz-conventional-changelog": "^3.0.0",
     "dotenv": "6.2.0",
     "dotenv-webpack": "1.6.0",
     "enzyme": "3.9.0",