Bump watchr from 6.6.0 to 6.8.0 (#1118)

Bumps [watchr](https://github.com/bevry/watchr) from 6.6.0 to 6.8.0.
- [Release notes](https://github.com/bevry/watchr/releases)
- [Changelog](https://github.com/bevry/watchr/blob/master/HISTORY.md)
- [Commits](bevry/watchr@v6.6.0...v6.8.0)

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