Update criterion requirement from 0.3 to 0.4 in /sqlparser_bench (#611)

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
...

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sqlparser_bench/Cargo.toml

@@ -8,7 +8,7 @@ edition = "2018"
 sqlparser = { path = "../" }
 
 [dev-dependencies]
-criterion = "0.3"
+criterion = "0.4"
 
 [[bench]]
 name = "sqlparser_bench"