chore(helm): update image alpine 3.21.2 → 3.21.3 (#32091)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| alpine | patch | `56fa17d` -> `a8560b3` |

---

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

Add the preset `:preserveSemverRanges` to your config if you don't want
to pin your dependencies.

---

### Configuration

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

🚦 **Automerge**: Enabled.

♻ **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://redirect.github.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4xNjQuMCIsInVwZGF0ZWRJblZlciI6IjM5LjE2NC4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInJlbm92YXRlL2NvbnRhaW5lciIsInR5cGUvcGF0Y2giXX0=-->

charts/stable/external-service/Chart.yaml

@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 3.21.2
+appVersion: 3.21.3
 dependencies:
   - name: common
     version: 25.4.10
@@ -32,4 +32,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/external-service
   - https://hub.docker.com/_/alpine
 type: application
-version: 15.6.1
+version: 15.6.2

charts/stable/external-service/values.yaml

@@ -2,7 +2,7 @@
 image:
   repository: alpine
   pullPolicy: IfNotPresent
-  tag: 3.21.2@sha256:56fa17d2a7e7f168a043a2712e63aed1f8543aeafdcee47c58dcffe38ed51099
+  tag: 3.21.3@sha256:a8560b36e8b8210634f77d9f7f9efd7ffa463e380b75e2e74aff4511df3ef88c
 
 global:
   # Ignore isStopped