Merge pull request #422 from halfzebra/renovate/commitizen-4.x

fix(package.json): Update dependency commitizen to v4.0.4

Author: halfzebra

package.json

@@ -71,7 +71,7 @@
     "@commitlint/cli": "8.3.5",
     "@commitlint/config-conventional": "8.3.4",
     "babel-eslint": "10.1.0",
-    "commitizen": "4.0.3",
+    "commitizen": "4.0.4",
     "cross-env": "5.2.1",
     "cz-conventional-changelog": "3.1.0",
     "dir-compare": "1.8.0",