build(deps): bump browserslist from 4.16.4 to 4.16.6 (#1369)

Bumps [browserslist](https://github.com/browserslist/browserslist) from 4.16.4 to 4.16.6.
- [Release notes](https://github.com/browserslist/browserslist/releases)
- [Changelog](https://github.com/browserslist/browserslist/blob/main/CHANGELOG.md)
- [Commits](browserslist/browserslist@4.16.4...4.16.6)

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