Bump tokio from 1.18.0 to 1.18.1

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.18.0 to 1.18.1.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-1.18.0...tokio-1.18.1

)

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

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