Bump webpack-dev-middleware and webpack-dev-server

Bumps [webpack-dev-middleware](https://github.com/webpack/webpack-dev-middleware) to 8.3.0 and updates ancestor dependency [webpack-dev-server](https://github.com/webpack/webpack-dev-server). These dependencies need to be updated together.


Updates `webpack-dev-middleware` from 5.3.3 to 8.3.0
- [Release notes](https://github.com/webpack/webpack-dev-middleware/releases)
- [Changelog](https://github.com/webpack/webpack-dev-middleware/blob/main/CHANGELOG.md)
- [Commits](webpack/webpack-dev-middleware@v5.3.3...v8.3.0)

Updates `webpack-dev-server` from 4.15.1 to 6.0.0
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/main/CHANGELOG.md)
- [Commits](webpack/webpack-dev-server@v4.15.1...v6.0.0)

---
updated-dependencies:
- dependency-name: webpack-dev-middleware
  dependency-version: 8.3.0
  dependency-type: indirect
- dependency-name: webpack-dev-server
  dependency-version: 6.0.0
  dependency-type: direct:development
...

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Author: dependabot[bot]