chore(deps): bump tar-fs from 3.0.6 to 3.0.8 in /src/loadgen (#48)

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

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]