Bump tokio-stream from 0.1.6 to 0.1.7

Bumps [tokio-stream](https://github.com/tokio-rs/tokio) from 0.1.6 to 0.1.7.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-stream-0.1.6...tokio-stream-0.1.7)

---
updated-dependencies:
- dependency-name: tokio-stream
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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