Bump webpack-dev-server from 5.0.2 to 5.0.4 in /ui.frontend (#1128)

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
...

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

Author: dependabot[bot]

ui.frontend/package-lock.json

@@ -51,7 +51,7 @@
     "typescript": "^5.4.5",
     "webpack": "^5.91.0",
     "webpack-cli": "^5.1.4",
-    "webpack-dev-server": "^5.0.2",
+    "webpack-dev-server": "^5.0.4",
     "webpack-merge": "^5.10.0",
     "websight-localsync": "^2.0.0"
   },