chore(deps): bump express from 4.19.2 to 4.20.0 in /mockserver

Bumps [express](https://github.com/expressjs/express) from 4.19.2 to 4.20.0.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.19.2...4.20.0)

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

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

mockserver/package.json

@@ -2,7 +2,7 @@
   "dependencies": {
     "axios": "^1.7.7",
     "cors": "^2.8.5",
-    "express": "^4.19.2",
+    "express": "^4.20.0",
     "nodemon": "^3.1.4"
   },
   "engines": {