Bump async-io from 2.5.0 to 2.6.0

Bumps [async-io](https://github.com/smol-rs/async-io) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/smol-rs/async-io/releases)
- [Changelog](https://github.com/smol-rs/async-io/blob/master/CHANGELOG.md)
- [Commits](smol-rs/async-io@v2.5.0...v2.6.0)

---
updated-dependencies:
- dependency-name: async-io
  dependency-version: 2.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -15,7 +15,7 @@ repository = "https://github.com/killzoner/pprof-hyper-server"
 anyhow = { version = "1.0.99", default-features = false }
 async-channel = { version = "2.5.0", default-features = false }
 async-executor = { version = "1.13.3", default-features = false }
-async-io = { version = "2.5.0", default-features = false }
+async-io = { version = "2.6.0", default-features = false }
 form_urlencoded = { version = "1.2.2", default-features = false, features = [
   "alloc",
 ] }