Bump crossbeam-channel from 0.5.11 to 0.5.15 in /frameworks/Rust/rocket (#9802)
Bumps [crossbeam-channel](https://github.com/crossbeam-rs/crossbeam) from 0.5.11 to 0.5.15.
- [Release notes](https://github.com/crossbeam-rs/crossbeam/releases)
- [Changelog](https://github.com/crossbeam-rs/crossbeam/blob/master/CHANGELOG.md)
- [Commits](https://github.com/crossbeam-rs/crossbeam/compare/crossbeam-channel-0.5.11...crossbeam-channel-0.5.15)
---
updated-dependencies:
- dependency-name: crossbeam-channel
dependency-version: 0.5.15
dependency-type: indirect
...
Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>