chore(deps): update dependency @types/node to v14.18.50

Author: renovate[bot]

package.json

@@ -54,7 +54,7 @@
   },
   "devDependencies": {
     "@types/mocha": "8.2.2",
-    "@types/node": "14.17.1",
+    "@types/node": "14.18.50",
     "@types/require-all": "3.0.2",
     "copyfiles": "2.4.1",
     "eslint": "7.27.0",