Bump tape-run from 6.0.1 to 8.0.0 (publiclab#379)

Bumps [tape-run](https://github.com/juliangruber/tape-run) from 6.0.1 to 8.0.0.
- [Release notes](https://github.com/juliangruber/tape-run/releases)
- [Changelog](https://github.com/juliangruber/tape-run/blob/master/History.md)
- [Commits](tape-testing/tape-run@v6.0.1...v8.0.0)

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