Bump tokio-stream from 0.1.17 to 0.1.18 (#143)

Bumps [tokio-stream](https://github.com/tokio-rs/tokio) from 0.1.17 to 0.1.18.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-stream-0.1.17...tokio-stream-0.1.18)

---
updated-dependencies:
- dependency-name: tokio-stream
  dependency-version: 0.1.18
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]