fix(helm): update cilium ( 1.15.3 → 1.15.4 ) (#4498)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [cilium](https://cilium.io/)
([source](https://togithub.com/cilium/cilium)) | HelmChart | patch |
`1.15.3` -> `1.15.4` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>cilium/cilium (cilium)</summary>

###
[`v1.15.4`](https://togithub.com/cilium/cilium/compare/1.15.3...1.15.4)

[Compare
Source](https://togithub.com/cilium/cilium/compare/1.15.3...1.15.4)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

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

---

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

---

This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4yODcuMSIsInVwZGF0ZWRJblZlciI6IjM3LjI4Ny4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJyZW5vdmF0ZS9oZWxtIiwidHlwZS9wYXRjaCJdfQ==-->

Co-authored-by: lumiere-bot[bot] <98047013+lumiere-bot[bot]@users.noreply.github.com>

talos/bootstrap/cni/kustomization.yaml

@@ -4,7 +4,7 @@ kind: Kustomization
 helmCharts:
   - name: cilium
     repo: https://helm.cilium.io
-    version: 1.15.3
+    version: 1.15.4
     releaseName: cilium
     namespace: kube-system
     valuesFile: values.yaml