Bump bytes from 1.4.0 to 1.5.0 in /rust

Bumps [bytes](https://github.com/tokio-rs/bytes) from 1.4.0 to 1.5.0.
- [Release notes](https://github.com/tokio-rs/bytes/releases)
- [Changelog](https://github.com/tokio-rs/bytes/blob/master/CHANGELOG.md)
- [Commits](tokio-rs/bytes@v1.4.0...v1.5.0)

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

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