Bump express from 5.1.0 to 5.2.0 in /demo/vue/app

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
...

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

Author: dependabot[bot]

demo/vue/app/package-lock.json

@@ -38,7 +38,7 @@
     "compression": "^1.8.1",
     "config": "^4.1.1",
     "crypto": "^1.0.1",
-    "express": "^5.1.0",
+    "express": "^5.2.0",
     "express-winston": "^4.2.0",
     "form-data": "^4.0.5",
     "fs-extra": "^11.3.2",