chore(deps): update helm release alloy to v1.7.0 (#5412)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [alloy](https://github.com/grafana/helm-charts) | minor | `1.6.2` → `1.7.0` |

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### Release Notes

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

### [`v1.7.0`](https://github.com/grafana/helm-charts/releases/tag/alloy-1.7.0)

[Compare Source](https://github.com/grafana/helm-charts/compare/alloy-1.6.2...alloy-1.7.0)

Grafana Alloy

Source commit: [grafana/alloy@`08a89b7`](08a89b7c7b)

Tag on source: <https://github.com/grafana/alloy/releases/tag/helm-chart/1.7.0>

</details>

---

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Reviewed-on: #5412
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clusters/cl01tl/helm/loki/Chart.lock

@@ -4,6 +4,6 @@ dependencies:
   version: 6.55.0
 - name: alloy
   repository: https://grafana.github.io/helm-charts
-  version: 1.6.2
-digest: sha256:463184dc134143723f8567a1ebd228353cf0253a139f0a4e76637ec65aa4aaf1
-generated: "2026-03-14T18:16:47.779817047Z"
+  version: 1.7.0
+digest: sha256:e6a06dc016858215a461d05c543b937f7a87ecc1bb58381cd6fb825ba524fa66
+generated: "2026-04-02T19:05:47.897397013Z"

clusters/cl01tl/helm/loki/Chart.yaml

@@ -19,7 +19,7 @@ dependencies:
     version: 6.55.0
     repository: https://grafana.github.io/helm-charts
   - name: alloy
-    version: 1.6.2
+    version: 1.7.0
     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