chore: bump mocha from 8.2.1 to 9.0.2 (#994)

Bumps [mocha](https://github.com/mochajs/mocha) from 8.2.1 to 9.0.2.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v8.2.1...v9.0.2)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>