Bump webpack-dev-server from 5.0.2 to 5.0.4 in /frontend (#1082)

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 5.0.2 to 5.0.4.
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/master/CHANGELOG.md)
- [Commits](webpack/webpack-dev-server@v5.0.2...v5.0.4)

---
updated-dependencies:
- dependency-name: webpack-dev-server
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frontend/package.json

@@ -36,7 +36,7 @@
     "typescript": "^5.3.3",
     "webpack": "5.89",
     "webpack-cli": "^5.1.4",
-    "webpack-dev-server": "^5.0.2"
+    "webpack-dev-server": "^5.0.4"
   },
   "dependencies": {
     "@types/har-format": "^1.2.14",