chore(package): Update nyc to the latest version 🚀 (#55)

* chore(package): update nyc to version 13.3.0

* chore(package): update lockfile package-lock.json

Author: greenkeeper[bot]

package-lock.json

@@ -53,7 +53,7 @@
     "coveralls": "^3.0.0",
     "js-yaml": "^3.10.0",
     "nodeshift": "~2.1.1",
-    "nyc": "~13.2.0",
+    "nyc": "~13.3.0",
     "rhoaster": "~0.2.0",
     "standard-version": "^5.0.0",
     "supertest": "^3.0.0",