cargo: bump criterion from 0.3.6 to 0.4.0

Bumps [criterion](https://github.com/bheisler/criterion.rs) from 0.3.6 to 0.4.0.
- [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/0.3.6...0.4.0)

---
updated-dependencies:
- dependency-name: criterion
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.toml

@@ -86,7 +86,7 @@ async_zip = { version = "0.0.9", default-features = false, features = ["deflate"
 
 [dev-dependencies]
 ansi_term = "0.12.0"
-criterion = { version = "0.3.6", features = ["async_tokio"] }
+criterion = { version = "0.4.0", features = ["async_tokio"] }
 futures-lite = "1.12"
 log = "0.4"
 pretty_env_logger = "0.4"