Update dependency kubectl to v1.28.0

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
kubectl	minor	1.27.4 -> 1.28.0

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Release Notes

kubernetes/kubernetes (kubectl)

### [`v1.28.0`](https://togithub.com/kubernetes/kubernetes/releases/tag/v1.28.0): Kubernetes v1.28.0 [Compare Source](https://togithub.com/kubernetes/kubernetes/compare/v1.27.4...v1.28.0) See [kubernetes-announce@](https://groups.google.com/forum/#!forum/kubernetes-announce). Additional binary downloads are linked in the [CHANGELOG](https://togithub.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.28.md). See [the CHANGELOG](https://togithub.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.28.md) for more details.

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