chore(deps-dev): bump tar-fs from 3.0.6 to 3.0.8 in /test/runTest

Bumps [tar-fs](https://github.com/mafintosh/tar-fs) from 3.0.6 to 3.0.8.
- [Commits](https://github.com/mafintosh/tar-fs/compare/v3.0.6...v3.0.8)

---
updated-dependencies:
- dependency-name: tar-fs
  dependency-type: indirect
...

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