Update crossbeam-utils requirement from 0.7 to 0.8

Updates the requirements on [crossbeam-utils](https://github.com/crossbeam-rs/crossbeam) to permit the latest version.
- [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-utils-0.7.0...crossbeam-utils-0.8.0)

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

Author: dependabot-preview[bot]

Cargo.toml

@@ -23,7 +23,7 @@ atty = "0.2"
 bytesize = "1.0"
 cargo-platform = { path = "crates/cargo-platform", version = "0.1.1" }
 crates-io = { path = "crates/crates-io", version = "0.31.1" }
-crossbeam-utils = "0.7"
+crossbeam-utils = "0.8"
 crypto-hash = "0.3.1"
 curl = { version = "0.4.23", features = ["http2"] }
 curl-sys = "0.4.22"