fix(deps): update non-minor dependencies 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
k8s.io/client-go	require	patch	v0.28.3 -> v0.28.4
k8s.io/kube-aggregator	require	patch	v0.28.3 -> v0.28.4

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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)

kubernetes/client-go (k8s.io/client-go)

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

kubernetes/kube-aggregator (k8s.io/kube-aggregator)

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

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