Update Helm release snapshot-controller to v5

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [app-template](https://github.com/bjw-s-labs/helm-charts) | minor | `4.4.0` → `4.6.1` |

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> ⚠️ **Warning**
>
> Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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### Release Notes

<details>
<summary>bjw-s-labs/helm-charts (app-template)</summary>

### [`v4.6.1`](https://github.com/bjw-s-labs/helm-charts/releases/tag/app-template-4.6.1)

[Compare Source](https://github.com/bjw-s-labs/helm-charts/compare/app-template-4.6.0...app-template-4.6.1)

#### Changelog:

##### Changed

- Upgraded the common library to v4.6.1
  - [Upgrade notes](https://bjw-s-labs.github.io/helm-charts/docs/app-template/upgrade-instructions/)
  - [Detailed release notes](https://github.com/bjw-s-labs/helm-charts/releases/tag/common-4.6.1)

### [`v4.6.0`](https://github.com/bjw-s-labs/helm-charts/releases/tag/app-template-4.6.0)

[Compare Source](https://github.com/bjw-s-labs/helm-charts/compare/app-template-4.5.0...app-template-4.6.0)

#### Changelog:

##### Changed

- Upgraded the common library to v4.6.0
  - [Upgrade notes](https://bjw-s-labs.github.io/helm-charts/docs/app-template/upgrade-instructions/)
  - [Detailed release notes](https://github.com/bjw-s-labs/helm-charts/releases/tag/common-4.6.0)

### [`v4.5.0`](https://github.com/bjw-s-labs/helm-charts/releases/tag/app-template-4.5.0)

[Compare Source](https://github.com/bjw-s-labs/helm-charts/compare/app-template-4.4.0...app-template-4.5.0)

#### Changelog:

##### Changed

- Upgraded the common library to v4.5.0
  - [Upgrade notes](https://bjw-s-labs.github.io/helm-charts/docs/app-template/upgrade-instructions/)
  - [Detailed release notes](https://github.com/bjw-s-labs/helm-charts/releases/tag/common-4.5.0)

</details>

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### Configuration

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♻ **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.

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi42OS4yIiwidXBkYXRlZEluVmVyIjoiNDIuNjkuMiIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiY2hhcnQiXX0=-->

Reviewed-on: #3218
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/shelfmark/Chart.yaml

@@ -16,6 +16,6 @@ dependencies:
   - name: app-template
     alias: shelfmark
     repository: https://bjw-s-labs.github.io/helm-charts/
-    version: 4.4.0
+    version: 4.6.1
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/shelfmark.webp
 appVersion: v1.0.1

clusters/cl01tl/helm/snapshot-controller/Chart.lock

@@ -3,4 +3,4 @@ dependencies:
   repository: https://piraeus.io/helm-charts/
   version: 5.0.0
 digest: sha256:ee120d84037e7878c3ab62c57cd09b90090af340c1d55ea314618f19387cb0ca
-generated: "2026-01-15T22:10:50.55428795Z"
+generated: "2026-01-15T22:14:07.094617016Z"