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

Author: renovate-bot

package-lock.json

@@ -38,7 +38,7 @@
     "@commitlint/config-conventional": "8.2.0",
     "@commitlint/travis-cli": "8.2.0",
     "commitizen": "4.0.3",
-    "cz-conventional-changelog": "3.0.2",
+    "cz-conventional-changelog": "3.1.0",
     "generate-changelog": "1.8.0",
     "husky": "3.0.5"
   },