chore(deps): update dependency cz-conventional-changelog to v3.1.0

Author: renovate-bot

package-lock.json

@@ -41,7 +41,7 @@
     "cross-env": "7.0.2",
     "css-loader": "3.5.1",
     "cssnano": "4.1.10",
-    "cz-conventional-changelog": "3.0.2",
+    "cz-conventional-changelog": "3.1.0",
     "documentation": "12.1.1",
     "eslint": "6.8.0",
     "eslint-config-unobtrusive": "1.2.5",