Build(deps-dev): Bump karma from 6.4.1 to 6.4.2 (#38506)

Build(deps-dev): Bump karma from 6.4.1 to 6.4.2 (#38506)

Bumps [karma](https://github.com/karma-runner/karma) from 6.4.1 to 6.4.2.
- [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/v6.4.1...v6.4.2)

---
updated-dependencies:
- dependency-name: karma
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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