build(deps): bump ryu from 1.0.17 to 1.0.18 (#228)

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

---
updated-dependencies:
- dependency-name: ryu
  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>