chore(deps): bump rodio from 0.16.0 to 0.18.1

Bumps [rodio](https://github.com/RustAudio/rodio) from 0.16.0 to 0.18.1.
- [Changelog](https://github.com/RustAudio/rodio/blob/master/CHANGELOG.md)
- [Commits](https://github.com/RustAudio/rodio/commits)

---
updated-dependencies:
- dependency-name: rodio
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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