Update utoipa requirement from 4.2.0 to 5.1.2

Updates the requirements on [utoipa](https://github.com/juhaku/utoipa) to permit the latest version.
- [Release notes](https://github.com/juhaku/utoipa/releases)
- [Changelog](https://github.com/juhaku/utoipa/blob/master/utoipa-rapidoc/CHANGELOG.md)
- [Commits](juhaku/utoipa@utoipa-4.2.0...utoipa-5.1.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.toml

@@ -30,7 +30,7 @@ env_logger = "0.11.0"
 axum = { version = "0.7.4", features = ["macros"] }
 tokio = { version = "1.36.0", features = ["full"] }
 tower-http = { version = "0.5.0", features = ["cors"] }
-utoipa = { version = "4.2.0", features = ["axum_extras"] }
+utoipa = { version = "5.1.2", features = ["axum_extras"] }
 utoipa-swagger-ui = { version = "7", features = ["axum"] }
 hyper = { version = "1.2.0", features = ["full"] }
 postgres = { version = "0.19.7"}