Update criterion requirement from 0.6.0 to 0.7.0 (#3361)

Updates the requirements on [criterion](https://github.com/bheisler/criterion.rs) to permit the latest version.
- [Changelog](https://github.com/bheisler/criterion.rs/blob/master/CHANGELOG.md)
- [Commits](bheisler/criterion.rs@0.6.0...0.7.0)

---
updated-dependencies:
- dependency-name: criterion
  dependency-version: 0.7.0
  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]

utils/libafl_benches/Cargo.toml

@@ -23,7 +23,7 @@ categories = [
 [dev-dependencies]
 libafl_bolts = { workspace = true, features = ["xxh3", "alloc"] } # libafl_bolts
 
-criterion = "0.6.0" # Benchmarking
+criterion = "0.7.0" # Benchmarking
 ahash = { workspace = true, default-features = false } # The hash function already used in hashbrown
 rustc-hash = { version = "2.0.0", default-features = false } # yet another hash
 xxhash-rust = { version = "0.8.12", features = [