chore(deps-dev): update commitizen requirement from ^3.0.2 to ^4.0.3

Updates the requirements on [commitizen](https://github.com/commitizen/cz-cli) to permit the latest version.
- [Release notes](https://github.com/commitizen/cz-cli/releases)
- [Commits](commitizen/cz-cli@v3.0.2...v4.0.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

package.json

@@ -48,7 +48,7 @@
     "@types/webpack": "^4.4.14",
     "@types/webpack-dev-server": "^3.1.1",
     "@types/ws": "^6.0.1",
-    "commitizen": "^3.0.2",
+    "commitizen": "^4.0.3",
     "cz-conventional-changelog": "^2.1.0",
     "husky": "^3.0.0",
     "lint-staged": "^9.1.0",