Bumps [karma](https://github.com/karma-runner/karma) from 2.0.3 to 2.0.4. - [Release notes](https://github.com/karma-runner/karma/releases) - [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md) - [Commits](https://github.com/karma-runner/karma/compare/v2.0.3...v2.0.4) Signed-off-by: dependabot[bot] <support@dependabot.com>