Bumps [karma-viewport](https://github.com/squidfunk/karma-viewport) from 1.0.4 to 1.0.5.
- [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/1.0.4...1.0.5

)

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