Bumps [karma-mocha](https://github.com/karma-runner/karma-mocha) from 1.3.0 to 2.0.0.
- [Release notes](https://github.com/karma-runner/karma-mocha/releases)
- [Changelog](https://github.com/karma-runner/karma-mocha/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma-mocha/compare/v1.3.0...v2.0.0)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>