Bump which from 8.0.5 to 8.0.6

Bumps [which](https://github.com/harryfei/which-rs) from 8.0.5 to 8.0.6.
- [Release notes](https://github.com/harryfei/which-rs/releases)
- [Changelog](https://github.com/harryfei/which-rs/blob/master/CHANGELOG.md)
- [Commits](harryfei/which-rs@8.0.5...8.0.6)

---
updated-dependencies:
- dependency-name: which
  dependency-version: 8.0.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]