chore(deps): update criterion requirement from 0.7 to 0.8 (#156)

Updates the requirements on [criterion](https://github.com/criterion-rs/criterion.rs) to permit the latest version.
- [Release notes](https://github.com/criterion-rs/criterion.rs/releases)
- [Changelog](https://github.com/criterion-rs/criterion.rs/blob/master/CHANGELOG.md)
- [Commits](criterion-rs/criterion.rs@criterion-plot-v0.7.0...criterion-v0.8.1)

---
updated-dependencies:
- dependency-name: criterion
  dependency-version: 0.8.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.toml

@@ -73,7 +73,7 @@ futures = "0.3"
 thiserror = "2.0"
 tracing = "0.1"
 metrics = "0.24"
-criterion = { version = "0.7", features = ["async_tokio"] }
+criterion = { version = "0.8", features = ["async_tokio"] }
 serde = { version = "1.0", features = ["derive"] }
 
 tower-resilience-core = { version = "0.4.7", path = "crates/tower-resilience-core" }