Update criterion requirement from 0.4.0 to 0.5.1

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]>

arithmetic/Cargo.toml

@@ -16,7 +16,7 @@ rayon = { version = "1.5.2", default-features = false, optional = true }
 
 [dev-dependencies]
 ark-ec = { version = "^0.4.0", default-features = false }
-criterion = "0.4.0"
+criterion = "0.5.1"
 
 [features]
 # default = [ "parallel", "print-trace" ]