chore(deps): update dependency kubernetes/kubernetes to v1.30.1 (#216)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [kubernetes/kubernetes](https://togithub.com/kubernetes/kubernetes) |
patch | `v1.30.0` -> `v1.30.1` |

---

### Release Notes

<details>
<summary>kubernetes/kubernetes (kubernetes/kubernetes)</summary>

###
[`v1.30.1`](https://togithub.com/kubernetes/kubernetes/releases/tag/v1.30.1):
Kubernetes v1.30.1

[Compare
Source](https://togithub.com/kubernetes/kubernetes/compare/v1.30.0...v1.30.1)

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-1.30.md).

See [the
CHANGELOG](https://togithub.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.30.md)
for more details.

</details>

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Makefile

@@ -3,7 +3,7 @@
 IMG ?= ghcr.io/aenix-io/etcd-operator:latest
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
 # renovate: datasource=github-tags depName=kubernetes/kubernetes
-ENVTEST_K8S_VERSION ?= v1.30.0
+ENVTEST_K8S_VERSION ?= v1.30.1
 ENVTEST_K8S_VERSION_TRIMMED_V = $(subst v,,$(ENVTEST_K8S_VERSION))
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)