build(deps): Bump hermit from 0.9.0 to 0.9.1 in /tests/test-kernels

Bumps [hermit](https://github.com/hermit-os/hermit-rs) from 0.9.0 to 0.9.1.
- [Release notes](https://github.com/hermit-os/hermit-rs/releases)
- [Commits](hermit-os/hermit-rs@hermit-0.9.0...hermit-0.9.1)

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

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