Bump webpack from 4.41.5 to 4.46.0

Bumps [webpack](https://github.com/webpack/webpack) from 4.41.5 to 4.46.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v4.41.5...v4.46.0)

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

Author: dependabot[bot]