Bump karma-chrome-launcher from 3.1.0 to 3.1.1 (#471)

Bumps [karma-chrome-launcher](https://github.com/karma-runner/karma-chrome-launcher) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/karma-runner/karma-chrome-launcher/releases)
- [Changelog](https://github.com/karma-runner/karma-chrome-launcher/blob/master/CHANGELOG.md)
- [Commits](karma-runner/karma-chrome-launcher@v3.1.0...v3.1.1)

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

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