Update criterion requirement from 0.3 to 0.4

Updates the requirements on [criterion](https://github.com/bheisler/criterion.rs) to permit the latest version.
- [Release notes](https://github.com/bheisler/criterion.rs/releases)
- [Changelog](https://github.com/bheisler/criterion.rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/bheisler/criterion.rs/compare/0.3.0...0.4.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -25,7 +25,7 @@ zeroize = { version = "1", default-features = false, features = ["zeroize_derive
 
 [dev-dependencies]
 bincode = "1"
-criterion = "0.3"
+criterion = "0.4"
 lazy_static = "1.4"
 proptest = "1.0"
 rand = "0.8"