Bump chai from 4.2.0 to 4.3.0 (#353)

Bumps [chai](https://github.com/chaijs/chai) from 4.2.0 to 4.3.0.
- [Release notes](https://github.com/chaijs/chai/releases)
- [Changelog](https://github.com/chaijs/chai/blob/master/History.md)
- [Commits](chaijs/chai@4.2.0...4.3.0)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>