build(deps-dev): bump webpack from 4.46.0 to 5.38.1

Bumps [webpack](https://github.com/webpack/webpack) from 4.46.0 to 5.38.1.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v4.46.0...v5.38.1)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]