chore(package): update projectz to version 2.1.0

Closes #46

Author: greenkeeper[bot]

package.json

@@ -42,7 +42,7 @@
     "jest": "^24.5.0",
     "lint-staged": "^8.1.5",
     "prettier": "^1.16.4",
-    "projectz": "^1.7.4",
+    "projectz": "^2.1.0",
     "semantic-release": "^15.13.3",
     "travis-deploy-once": "^5.0.11"
   },