chore(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

@@ -36,7 +36,7 @@ path = "src/bin/auto_vex_reachability.rs"
 # way to push external triggers into the controller loop.
 kube = { version = "3.1", features = ["runtime", "derive", "client", "ws", "unstable-runtime"] }
 kube-lease-manager = "0.11"
-k8s-openapi = { version = "0.27", features = ["latest", "schemars"] }
+k8s-openapi = { version = "0.28", features = ["latest", "schemars"] }
 tokio = { version = "1", features = ["full"] }
 # `ReceiverStream` adapter so an `mpsc::Receiver<ObjectRef<…>>` can be
 # fed into `Controller::reconcile_on`. Used by main.rs to plumb