Update Helm release app-template to v4.5.0 (#2270)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [app-template](https://github.com/bjw-s-labs/helm-charts) | minor | `4.4.0` -> `4.5.0` |

---

### Release Notes

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

### [`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>

---

### Configuration

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🚦 **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

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: #2270
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/unpoller/Chart.lock

@@ -1,6 +1,6 @@
 dependencies:
 - name: app-template
   repository: https://bjw-s-labs.github.io/helm-charts/
-  version: 4.4.0
-digest: sha256:7ccecd4e314f77652088644bc235465b4317c7afd3736a623c484d2b296eefa2
-generated: "2025-12-01T19:56:03.244251-06:00"
+  version: 4.5.0
+digest: sha256:6dee5915e5968a999e2ffe0921ff8d80001776617d908273b6def2bfaf99bee9
+generated: "2025-12-05T17:14:56.860477271Z"

clusters/cl01tl/helm/unpoller/Chart.yaml

@@ -18,6 +18,6 @@ dependencies:
   - name: app-template
     alias: unpoller
     repository: https://bjw-s-labs.github.io/helm-charts/
-    version: 4.4.0
+    version: 4.5.0
 icon: https://camo.githubusercontent.com/c5d07a5b3acfeac8e1c25bf56f440ffe032b86e4e7f15de82357f022a43fc927/68747470733a2f2f756e706f6c6c65722e636f6d2f696d672f6c6f676f2e706e67
 appVersion: v2.15.3