chore(deps): update dependency nyc to v13.3.0 (#1145)

Author: renovate[bot]

package.json

@@ -29,7 +29,7 @@
     "eslint-config-prettier": "^4.0.0",
     "eslint-plugin-node": "^8.0.0",
     "eslint-plugin-prettier": "^3.0.0",
-    "nyc": "13.2.0",
+    "nyc": "13.3.0",
     "prettier": "^1.15.2"
   }
 }