build(deps): bump http-proxy-middleware, @rspack/cli, @rspack/dev-server and webpack-dev-server

Bumps [http-proxy-middleware](https://github.com/chimurai/http-proxy-middleware) to 4.2.0 and updates ancestor dependencies [http-proxy-middleware](https://github.com/chimurai/http-proxy-middleware), [@rspack/cli](https://github.com/web-infra-dev/rspack/tree/HEAD/packages/rspack-cli), [@rspack/dev-server](https://github.com/rstackjs/rspack-dev-server) and [webpack-dev-server](https://github.com/webpack/webpack-dev-server). These dependencies need to be updated together.


Updates `http-proxy-middleware` from 2.0.9 to 4.2.0
- [Release notes](https://github.com/chimurai/http-proxy-middleware/releases)
- [Changelog](https://github.com/chimurai/http-proxy-middleware/blob/master/CHANGELOG.md)
- [Commits](chimurai/http-proxy-middleware@v2.0.9...v4.2.0)

Updates `@rspack/cli` from 1.7.12 to 2.1.5
- [Release notes](https://github.com/web-infra-dev/rspack/releases)
- [Commits](https://github.com/web-infra-dev/rspack/commits/v2.1.5/packages/rspack-cli)

Updates `@rspack/dev-server` from 1.2.1 to 2.1.0
- [Release notes](https://github.com/rstackjs/rspack-dev-server/releases)
- [Commits](rstackjs/rspack-dev-server@v1.2.1...v2.1.0)

Updates `webpack-dev-server` from 5.2.6 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@v5.2.6...v6.0.0)

---
updated-dependencies:
- dependency-name: http-proxy-middleware
  dependency-version: 4.2.0
  dependency-type: indirect
- dependency-name: "@rspack/cli"
  dependency-version: 2.1.5
  dependency-type: direct:development
- dependency-name: "@rspack/dev-server"
  dependency-version: 2.1.0
  dependency-type: direct:development
- dependency-name: webpack-dev-server
  dependency-version: 6.0.0
  dependency-type: direct:development
...

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Author: dependabot[bot]