Bump webpack-merge from 4.2.1 to 4.2.2 Bumps [webpack-merge](https://github.com/survivejs/webpack-merge) from 4.2.1 to 4.2.2. - [Release notes](https://github.com/survivejs/webpack-merge/releases) - [Changelog](https://github.com/survivejs/webpack-merge/blob/master/CHANGELOG.md) - [Commits](https://github.com/survivejs/webpack-merge/compare/v4.2.1...v4.2.2) Signed-off-by: dependabot-preview[bot]