chore(deps): update dependency @types/node to v16.18.21

Author: renovate[bot]

package-lock.json

@@ -32,7 +32,7 @@
     "@types/koa": "2.13.5",
     "@types/koa__router": "8.0.11",
     "@types/koa-bodyparser": "4.3.10",
-    "@types/node": "16.18.20",
+    "@types/node": "16.18.21",
     "@types/sinonjs__fake-timers": "8.1.2",
     "@types/tape": "4.13.3",
     "@typescript-eslint/eslint-plugin": "5.56.0",