Update criterion requirement from 0.4.0 to 0.5.1 (#99)

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@0.4.0...0.5.1)

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

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

Cargo.toml

@@ -43,7 +43,7 @@ default = ["openssl"]
 pure = ["aes-gcm", "typenum"]
 
 [dev-dependencies]
-criterion = {version = "0.4.0", default-features = false}
+criterion = {version = "0.5.1", default-features = false}
 hex = "0.4.3"
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]