build(deps): bump webpack-bundle-analyzer from 3.0.4 to 3.6.0 (#280)

Bumps [webpack-bundle-analyzer](https://github.com/webpack-contrib/webpack-bundle-analyzer) from 3.0.4 to 3.6.0.
- [Release notes](https://github.com/webpack-contrib/webpack-bundle-analyzer/releases)
- [Changelog](https://github.com/webpack-contrib/webpack-bundle-analyzer/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/webpack-bundle-analyzer@v3.0.4...v3.6.0)

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