build(deps-dev): Bump webpack-dev-server from 4.15.1 to 4.15.2

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 4.15.1 to 4.15.2.
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/v4.15.2/CHANGELOG.md)
- [Commits](webpack/webpack-dev-server@v4.15.1...v4.15.2)

---
updated-dependencies:
- dependency-name: webpack-dev-server
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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