Bump karma-viewport from 1.0.8 to 1.0.9

Bump karma-viewport from 1.0.8 to 1.0.9

Bumps [karma-viewport](https://github.com/squidfunk/karma-viewport) from 1.0.8 to 1.0.9.
- [Release notes](https://github.com/squidfunk/karma-viewport/releases)
- [Changelog](https://github.com/squidfunk/karma-viewport/blob/master/CHANGELOG)
- [Commits](https://github.com/squidfunk/karma-viewport/compare/1.0.8...1.0.9)

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

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