Bump tar from 0.4.38 to 0.4.40

Bumps [tar](https://github.com/alexcrichton/tar-rs) from 0.4.38 to 0.4.40.
- [Commits](alexcrichton/tar-rs@0.4.38...0.4.40)

---
updated-dependencies:
- dependency-name: tar
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>