deps: bump k8s-openapi from 0.27.1 to 0.28.0

Bumps [k8s-openapi](https://github.com/Arnavion/k8s-openapi) from 0.27.1 to 0.28.0.
- [Release notes](https://github.com/Arnavion/k8s-openapi/releases)
- [Changelog](https://github.com/Arnavion/k8s-openapi/blob/master/CHANGELOG.md)
- [Commits](Arnavion/k8s-openapi@v0.27.1...v0.28.0)

---
updated-dependencies:
- dependency-name: k8s-openapi
  dependency-version: 0.28.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -27,7 +27,7 @@ arc-swap.workspace = true
 
 # Kubernetes
 kube = { version = "3.1", features = ["runtime", "derive", "rustls-tls"], default-features = false }
-k8s-openapi = { version = "0.27", features = ["latest"] }
+k8s-openapi = { version = "0.28", features = ["latest"] }
 gateway-api = { git = "https://github.com/kube-rs/gateway-api-rs", rev = "1265c853", features = ["experimental"] }
 rustls.workspace = true
 schemars = "1.2"