chore(deps): update dependency kubernetes/kubernetes to v1.31.4 (#71)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[kubernetes/kubernetes](https://redirect.github.com/kubernetes/kubernetes)
| patch | `v1.31.3` -> `v1.31.4` |

---

### Release Notes

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

###
[`v1.31.4`](https://redirect.github.com/kubernetes/kubernetes/releases/tag/v1.31.4):
Kubernetes v1.31.4

[Compare
Source](https://redirect.github.com/kubernetes/kubernetes/compare/v1.31.3...v1.31.4)

See
[kubernetes-announce@](https://groups.google.com/forum/#!forum/kubernetes-announce).
Additional binary downloads are linked in the
[CHANGELOG](https://redirect.github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.31.md).

See [the
CHANGELOG](https://redirect.github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.31.md)
for more details.

</details>

---

### Configuration

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♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
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---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
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---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/hetznercloud/kubernetes-dev-env).

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.github/workflows/test.yml

@@ -33,7 +33,7 @@ jobs:
           setup-tools: |
             kubectl
             skaffold
-          kubectl: v1.31.3 # renovate: datasource=github-releases depName=kubernetes/kubernetes
+          kubectl: v1.31.4 # renovate: datasource=github-releases depName=kubernetes/kubernetes
           skaffold: v2.13.2 # renovate: datasource=github-releases depName=GoogleContainerTools/skaffold
 
       - name: Setup k3sup