chore(deps-dev): bump webpack-dev-server from 2.7.1 to 3.1.11 Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 2.7.1 to 3.1.11. - [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/v2.7.1...v3.1.11) Signed-off-by: dependabot[bot]