Bump tar-fs from 1.16.3 to 1.16.4 in /docs

Bumps [tar-fs](https://github.com/mafintosh/tar-fs) from 1.16.3 to 1.16.4.
- [Commits](mafintosh/tar-fs@v1.16.3...v1.16.4)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]