chore(package): update commitizen to version 3.0.0

Author: greenkeeper[bot]

package.json

@@ -127,7 +127,7 @@
     "@types/node": "^10.9.4",
     "bundlesize": "^0.17.0",
     "codecov": "^3.1.0",
-    "commitizen": "^2.10.1",
+    "commitizen": "^3.0.0",
     "commitlint-config-cz": "^0.10.1",
     "conventional-changelog-cli": "^2.0.5",
     "cz-customizable": "^5.2.0",