Bump karma from 5.0.7 to 5.0.9

Bumps [karma](https://github.com/karma-runner/karma) from 5.0.7 to 5.0.9.
- [Release notes](https://github.com/karma-runner/karma/releases)
- [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md)
- [Commits](karma-runner/karma@v5.0.7...v5.0.9)

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