Bump async-channel from 2.2.1 to 2.3.0 (#998)

* Bump async-channel from 2.2.1 to 2.3.0

Bumps [async-channel](https://github.com/smol-rs/async-channel) from 2.2.1 to 2.3.0.
- [Release notes](https://github.com/smol-rs/async-channel/releases)
- [Changelog](https://github.com/smol-rs/async-channel/blob/master/CHANGELOG.md)
- [Commits](smol-rs/async-channel@v2.2.1...v2.3.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

* cargo update -p concurrent-queue

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Adam H. Leventhal <ahl@oxide.computer>

dropshot/Cargo.toml

@@ -80,7 +80,7 @@ version = "0.8.17"
 features = [ "uuid1" ]
 
 [dev-dependencies]
-async-channel = "2.2.1"
+async-channel = "2.3.0"
 buf-list = "1.0.3"
 expectorate = "1.1.0"
 hyper-rustls = "0.25.0"