chore(flux): update image snapshot-controller 4.2.0 → 4.2.1 (clustertool) (#38185)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[snapshot-controller](https://truecharts.org/charts/system/snapshot-controller)
([source](https://redirect.github.com/kubernetes-csi/external-snapshotter))
| patch | `4.2.0` -> `4.2.1` |

---

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

---

### Release Notes

<details>
<summary>kubernetes-csi/external-snapshotter
(snapshot-controller)</summary>

###
[`v4.2.1`](https://redirect.github.com/kubernetes-csi/external-snapshotter/releases/tag/v4.2.1)

[Compare
Source](https://redirect.github.com/kubernetes-csi/external-snapshotter/compare/v4.2.0...v4.2.1)

### Overall Status

Volume snapshotting has been a GA feature since Kubernetes v1.20.

### Supported CSI Spec Versions

1.0-1.5

### [Minimum Kubernetes
version](https://kubernetes-csi.github.io/docs/kubernetes-compatibility.html#minimum-version)

1.20

### [Recommended Kubernetes
version](https://kubernetes-csi.github.io/docs/kubernetes-compatibility.html#recommended-version)

1.20+

### Container

```
docker pull registry.k8s.io/sig-storage/snapshot-controller:v4.2.1
docker pull registry.k8s.io/sig-storage/csi-snapshotter:v4.2.1
docker pull registry.k8s.io/sig-storage/snapshot-validation-webhook:v4.2.1
```

### Bug or Regression

#### Snapshot Controller

- Cherry-pick
([#&#8203;581](https://redirect.github.com/kubernetes-csi/external-snapshotter/pull/581),
[@&#8203;jsafrane](https://redirect.github.com/jsafrane)): Fixed
deadlock in reporting metrics.
([#&#8203;583](https://redirect.github.com/kubernetes-csi/external-snapshotter/pull/583),
[@&#8203;xing-yang](https://redirect.github.com/xing-yang))

### Full Changelog


https://github.com/kubernetes-csi/external-snapshotter/blob/v4.2.1/CHANGELOG/CHANGELOG-4.2.md

</details>

---

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---

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clustertool/embed/generic/kubernetes/system/snapshot-controller/app/helm-release.yaml

@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: snapshot-controller
-      version: 4.2.0
+      version: 4.2.1
       sourceRef:
         kind: HelmRepository
         name: truecharts