Bump webpack-dev-server from 4.15.0 to 5.2.1

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 4.15.0 to 5.2.1.
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-dev-server/compare/v4.15.0...v5.2.1)

---
updated-dependencies:
- dependency-name: webpack-dev-server
  dependency-version: 5.2.1
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -83,6 +83,6 @@
     "url-loader": "4.1.1",
     "webpack": "5.86.0",
     "webpack-cli": "5.1.4",
-    "webpack-dev-server": "4.15.0"
+    "webpack-dev-server": "5.2.1"
   }
 }