build(deps-dev): bump webpack-dev-server in /cmd/mdl/webapp (#1122)

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 5.2.5 to 5.2.6.
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/v5.2.6/CHANGELOG.md)
- [Commits](webpack/webpack-dev-server@v5.2.5...v5.2.6)

---
updated-dependencies:
- dependency-name: webpack-dev-server
  dependency-version: 5.2.6
  dependency-type: direct:development
...

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Author: dependabot[bot]

cmd/mdl/webapp/package.json

@@ -40,7 +40,7 @@
 		"typescript": "^5.9.3",
 		"webpack": "^5.105.4",
 		"webpack-cli": "^6.0.1",
-		"webpack-dev-server": "^5.2.5"
+		"webpack-dev-server": "^5.2.6"
 	},
 	"scripts": {
 		"build": "NODE_ENV=production webpack",