chore(audit): bump @types/node in /tools/loop-audit

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 20.19.42 to 25.9.2.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

---
updated-dependencies:
- dependency-name: "@types/node"
  dependency-version: 25.9.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

tools/loop-audit/package-lock.json

@@ -47,7 +47,7 @@
     "access": "public"
   },
   "devDependencies": {
-    "@types/node": "^20.0.0",
+    "@types/node": "^25.9.2",
     "typescript": "^5.0.0"
   }
 }