chore(deps): update dependency commitizen to v3.1.1

Author: renovate-bot

package.json

@@ -29,7 +29,7 @@
   },
   "devDependencies": {
     "codecov": "3.1.0",
-    "commitizen": "3.0.2",
+    "commitizen": "3.1.1",
     "cz-release-me": "1.6.1",
     "nyc": "13.1.0",
     "release-me": "1.4.2"