Bumps [mocha](https://github.com/mochajs/mocha) from 2.5.3 to 8.3.1.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mochajs/mocha/compare/v2.5.3...v8.3.1)

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

• Commit a2d3da8
• #25: Bump mocha from 2.5.3 to 8.3.1
• Branch master

dependabot-preview[bot] authored GitHub committed