Bump webpack-dev-server from 3.10.3 to 3.11.0 (#13795)

Bump webpack-dev-server from 3.10.3 to 3.11.0 (#13795)

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 3.10.3 to 3.11.0.
- [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/v3.10.3...v3.11.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>