chore(deps-dev): bump cz-conventional-changelog from 2.1.0 to 3.1.0 (#202)

Bumps [cz-conventional-changelog](https://github.com/commitizen/cz-conventional-changelog) from 2.1.0 to 3.1.0.
- [Release notes](https://github.com/commitizen/cz-conventional-changelog/releases)
- [Commits](commitizen/cz-conventional-changelog@v2.1.0...v3.1.0)

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

Author: dependabot-preview[bot]

package.json

@@ -48,7 +48,7 @@
     "@types/webpack-dev-server": "^3.1.1",
     "@types/ws": "^6.0.1",
     "commitizen": "^4.0.3",
-    "cz-conventional-changelog": "^2.1.0",
+    "cz-conventional-changelog": "^3.1.0",
     "husky": "^4.0.10",
     "lint-staged": "^9.1.0",
     "rimraf": "^2.6.2",