chore(deps): bump express from 5.1.0 to 5.2.0 in /reference-apps/nodejs

Bumps [express](https://github.com/expressjs/express) from 5.1.0 to 5.2.0.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@v5.1.0...v5.2.0)

---
updated-dependencies:
- dependency-name: express
  dependency-version: 5.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

reference-apps/nodejs/package-lock.json

@@ -26,7 +26,7 @@
   "dependencies": {
     "amqplib": "^0.10.3",
     "cors": "^2.8.5",
-    "express": "^5.1.0",
+    "express": "^5.2.0",
     "express-rate-limit": "^8.2.1",
     "helmet": "^8.1.0",
     "mongodb": "^7.0.0",