chore(package): update nyc to version 14.1.0

Closes #109

Author: greenkeeper[bot]

package.json

@@ -78,7 +78,7 @@
     "moment": "^2.24.0",
     "node-watch": "^0.6.0",
     "npm-run-all": "^4.1.5",
-    "nyc": "^13.1.0",
+    "nyc": "^14.1.0",
     "prettier": "^1.16.3",
     "raw-loader": "^2.0.0",
     "rxjs": "^6.4.0",