Nightly 2021-01-20

build(deps-dev): bump webpack from 5.15.0 to 5.16.0 in /web

Bumps [webpack](https://github.com/webpack/webpack) from 5.15.0 to 5.16.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v5.15.0...v5.16.0)

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