chore(deps-dev): bump webpack-dev-server from 4.11.1 to 5.2.1 (#2465)

* chore(deps-dev): bump webpack-dev-server from 4.11.1 to 5.2.1

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 4.11.1 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](webpack/webpack-dev-server@v4.11.1...v5.2.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

* fixup: bump webpack deps across the board

This is required to make the `start` script of the browser-repl package
work with the bumped webpack-dev-server version.

---------

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

Author: dependabot[bot]