Update criterion requirement from 0.5 to 0.8 (#2873)

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](https://github.com/criterion-rs/criterion.rs/compare/0.5.0...criterion-v0.8.2)

---
updated-dependencies:
- dependency-name: criterion
  dependency-version: 0.8.2
  dependency-type: direct:production
...

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

Cargo.toml

@@ -92,7 +92,7 @@ postcard = { version = "1.0.4", features = [
 ], default-features = false }
 
 [target.'cfg(not(windows))'.dev-dependencies]
-criterion = { version = "0.5", default-features = false }
+criterion = { version = "0.8", default-features = false }
 
 [dev-dependencies.fail]
 version = "0.5.0"

sstable/Cargo.toml

@@ -23,7 +23,7 @@ zstd-compression = ["zstd"]
 
 [dev-dependencies]
 proptest = "1"
-criterion = { version = "0.5", default-features = false }
+criterion = { version = "0.8", default-features = false }
 names = "0.14"
 rand = "0.9"