Bump qs and express in /examples/web-app

Bumps [qs](https://github.com/ljharb/qs) to 6.14.1 and updates ancestor dependency [express](https://github.com/expressjs/express). These dependencies need to be updated together.


Updates `qs` from 6.13.0 to 6.14.1
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](ljharb/qs@v6.13.0...v6.14.1)

Updates `express` from 4.21.2 to 4.22.1
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/v4.22.1/History.md)
- [Commits](expressjs/express@4.21.2...v4.22.1)

---
updated-dependencies:
- dependency-name: qs
  dependency-version: 6.14.1
  dependency-type: indirect
- dependency-name: express
  dependency-version: 4.22.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

examples/web-app/package-lock.json

@@ -3,6 +3,6 @@
     "@azure/app-configuration-provider": "latest",
     "@azure/identity": "^4.1.0",
     "dotenv": "^16.3.1",
-    "express": "^4.21.2"
+    "express": "^4.22.1"
   }
 }