build(deps): bump ryu from 1.0.15 to 1.0.16

Bumps [ryu](https://github.com/dtolnay/ryu) from 1.0.15 to 1.0.16.
- [Release notes](https://github.com/dtolnay/ryu/releases)
- [Commits](dtolnay/ryu@1.0.15...1.0.16)

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

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