cargo: bump dyn-clone from 1.0.17 to 1.0.18 (#256)

Bumps [dyn-clone](https://github.com/dtolnay/dyn-clone) from 1.0.17 to 1.0.18.
- [Release notes](https://github.com/dtolnay/dyn-clone/releases)
- [Commits](dtolnay/dyn-clone@1.0.17...1.0.18)

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

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