chore(deps): update express requirement from ^4.21.0 to ^4.21.2

Updates the requirements on [express](https://github.com/expressjs/express) to permit the latest version.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.2/History.md)
- [Commits](expressjs/express@4.21.0...4.21.2)

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

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

package.json

@@ -21,7 +21,7 @@
   "dependencies": {
     "@iobroker/webserver": "^1.0.6",
     "@iobroker/adapter-core": "^3.2.3",
-    "express": "^4.21.0",
+    "express": "^4.21.2",
     "axios": "^1.7.8"
   },
   "devDependencies": {