Merge pull request #56 from mrsteele/greenkeeper/nyc-13.2.0

Update nyc to the latest version 🚀

Author: mrsteele

package.json

@@ -50,7 +50,7 @@
     "cz-conventional-changelog": "^2.0.0",
     "esdoc": "^1.0.1",
     "mocha": "^5.0.0",
-    "nyc": "^12.0.1",
+    "nyc": "^13.2.0",
     "rimraf": "^2.5.2",
     "standard": "^12.0.0"
   },