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

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

🚦 **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).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi41LjAiLCJ1cGRhdGVkSW5WZXIiOiI0Mi41LjAiLCJ0YXJnZXRCcmFuY2giOiJtYWluIiwibGFiZWxzIjpbImNoYXJ0Il19-->

Reviewed-on: #2270
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/pgadmin/Chart.lock

@@ -1,6 +1,6 @@
 dependencies:
 - name: app-template
   repository: https://bjw-s-labs.github.io/helm-charts/
-  version: 4.4.0
-digest: sha256:6206e74f6581297e76a1d176b3aefea305a242cff4d2a4b9793c8b2373a283de
-generated: "2025-12-01T20:26:53.351495-06:00"
+  version: 4.5.0
+digest: sha256:73c2acdec999649ccc983a6edc36b794c6e53a4a51f554c22d7ba0d19f538371
+generated: "2025-12-05T17:10:07.886809868Z"

clusters/cl01tl/helm/pgadmin/Chart.yaml

@@ -17,6 +17,6 @@ dependencies:
   - name: app-template
     alias: pgadmin4
     repository: https://bjw-s-labs.github.io/helm-charts/
-    version: 4.4.0
+    version: 4.5.0
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/pgadmin.png
 appVersion: 9.3.0