Update k8s-openapi requirement from 0.22.0 to 0.23.0 in the kube group

Updates the requirements on [k8s-openapi](https://github.com/Arnavion/k8s-openapi) to permit the latest version.

Updates `k8s-openapi` to 0.23.0
- [Release notes](https://github.com/Arnavion/k8s-openapi/releases)
- [Changelog](https://github.com/Arnavion/k8s-openapi/blob/master/CHANGELOG.md)
- [Commits](Arnavion/k8s-openapi@v0.22.0...v0.23.0)

---
updated-dependencies:
- dependency-name: k8s-openapi
  dependency-type: direct:production
  dependency-group: kube
...

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

code-generator/Cargo.toml

@@ -10,7 +10,7 @@ publish = false
 
 [dependencies]
 reqwest = { version = "0.12.4", default-features = false, features = ["blocking", "rustls-tls"] }
-k8s-openapi = { version = "0.22.0", features = ["latest"] }
+k8s-openapi = { version = "0.23.0", features = ["latest"] }
 serde_yaml = { version = "0.9.34" }
 glob = { version = "0.3.1" }
 itertools = { version = "0.13.0" }