Update criterion requirement from 0.2.0 to 0.3.0

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](bheisler/criterion.rs@0.2.0...0.3.0)

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

Cargo.toml

@@ -20,7 +20,7 @@ nom = "5.0.0"
 flate2 = { version = "1.0.1", optional = true }
 
 [dev-dependencies]
-criterion = "0.2.0"
+criterion = "0.3.0"
 
 [features]
 default = []