chore(deps): update helm release alloy to v1.6.0 (#3756)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [alloy](https://github.com/grafana/helm-charts) | minor | `1.5.3` → `1.6.0` |

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### Release Notes

<details>
<summary>grafana/helm-charts (alloy)</summary>

### [`v1.6.0`](https://github.com/grafana/helm-charts/releases/tag/alloy-1.6.0)

[Compare Source](https://github.com/grafana/helm-charts/compare/alloy-1.5.3...alloy-1.6.0)

Grafana Alloy

Source commit: [grafana/alloy@`44ddc69`](44ddc6937c)

Tag on source: <https://github.com/grafana/alloy/releases/tag/helm-chart/1.6.0>

</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 is behind base branch, 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

---

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Reviewed-on: #3756
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/loki/Chart.yaml

@@ -19,7 +19,7 @@ dependencies:
     version: 6.52.0
     repository: https://grafana.github.io/helm-charts
   - name: alloy
-    version: 1.5.3
+    version: 1.6.0
     repository: https://grafana.github.io/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/loki.png
 # renovate: datasource=github-releases depName=grafana/loki