deps: update dependency kubernetes/kubernetes to v1.30.3 (#662)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [kubernetes/kubernetes](https://togithub.com/kubernetes/kubernetes) |
patch | `v1.30.2` -> `v1.30.3` |

---

### Release Notes

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

###
[`v1.30.3`](https://togithub.com/kubernetes/kubernetes/releases/tag/v1.30.3):
Kubernetes v1.30.3

[Compare
Source](https://togithub.com/kubernetes/kubernetes/compare/v1.30.2...v1.30.3)

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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.github/workflows/test.yml

@@ -73,7 +73,7 @@ jobs:
             kubectl
             skaffold
           helm: v3.15.3 # renovate: datasource=github-releases depName=helm/helm
-          kubectl: v1.30.2 # renovate: datasource=github-releases depName=kubernetes/kubernetes
+          kubectl: v1.30.3 # renovate: datasource=github-releases depName=kubernetes/kubernetes
           skaffold: v2.13.0 # renovate: datasource=github-releases depName=GoogleContainerTools/skaffold
 
       - name: Setup k3sup