chore(deps): bump express in /test/e2e/oauth2-client (#3750)

Bumps [express](https://github.com/expressjs/express) from 4.18.2 to 4.19.2.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.18.2...4.19.2)

---
updated-dependencies:
- dependency-name: express
  dependency-type: direct:production
...

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test/e2e/oauth2-client/package.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "body-parser": "^1.20.1",
     "dotenv": "^7.0.0",
-    "express": "^4.18.2",
+    "express": "^4.19.2",
     "express-session": "^1.17.0",
     "express-winston": "^3.4.0",
     "hydra-login-consent-logout": "2.0.4-pre.2",