chore(package): update nyc to version 14.0.0

Closes #42

Author: greenkeeper[bot]

package.json

@@ -45,7 +45,7 @@
     "eslint-plugin-standard": "^3.0.1",
     "eslint-plugin-typescript": "^0.8.0",
     "npm-run-all": "^4.1.1",
-    "nyc": "^11.2.1",
+    "nyc": "^14.0.0",
     "nyc-config-100": "^1.0.1",
     "typescript": "2.6.2",
     "typescript-eslint-parser": "^9.0.0"