Update kubernetes packages to v0.28.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
k8s.io/api	require	patch	v0.28.3 -> v0.28.4
k8s.io/apiextensions-apiserver	require	patch	v0.28.3 -> v0.28.4
k8s.io/apimachinery	require	patch	v0.28.3 -> v0.28.4

---

Release Notes

kubernetes/api (k8s.io/api)

### [`v0.28.4`](https://togithub.com/kubernetes/api/compare/v0.28.3...v0.28.4) [Compare Source](https://togithub.com/kubernetes/api/compare/v0.28.3...v0.28.4)

kubernetes/apiextensions-apiserver (k8s.io/apiextensions-apiserver)

### [`v0.28.4`](https://togithub.com/kubernetes/apiextensions-apiserver/compare/v0.28.3...v0.28.4) [Compare Source](https://togithub.com/kubernetes/apiextensions-apiserver/compare/v0.28.3...v0.28.4)

kubernetes/apimachinery (k8s.io/apimachinery)

### [`v0.28.4`](https://togithub.com/kubernetes/apimachinery/compare/v0.28.3...v0.28.4) [Compare Source](https://togithub.com/kubernetes/apimachinery/compare/v0.28.3...v0.28.4)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.