Update rstest requirement from 0.22 to 0.23

Updates the requirements on [rstest](https://github.com/la10736/rstest) to permit the latest version.
- [Release notes](https://github.com/la10736/rstest/releases)
- [Changelog](https://github.com/la10736/rstest/blob/master/CHANGELOG.md)
- [Commits](la10736/rstest@v0.22.0...v0.23.0)

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

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

Cargo.toml

@@ -27,7 +27,7 @@ spki = "0.7"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 criterion = "0.5"
-rstest = "0.22"
+rstest = "0.23"
 
 [[bench]]
 name = "benchmark"