Bump crossbeam-channel from 0.5.12 to 0.5.13 (romanz#1039)

Bumps [crossbeam-channel](https://github.com/crossbeam-rs/crossbeam) from 0.5.12 to 0.5.13.
- [Release notes](https://github.com/crossbeam-rs/crossbeam/releases)
- [Changelog](https://github.com/crossbeam-rs/crossbeam/blob/master/CHANGELOG.md)
- [Commits](crossbeam-rs/crossbeam@crossbeam-channel-0.5.12...crossbeam-channel-0.5.13)

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

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