Update Helm release app-template to v4.6.0 (#3094)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [app-template](https://github.com/bjw-s-labs/helm-charts) | minor | `4.5.0` → `4.6.0` |

---

### Release Notes

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

### [`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)

</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:eyJjcmVhdGVkSW5WZXIiOiI0Mi42OS4yIiwidXBkYXRlZEluVmVyIjoiNDIuNjkuMiIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiY2hhcnQiXX0=-->

Reviewed-on: #3094
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/booklore/Chart.lock

@@ -1,7 +1,7 @@
 dependencies:
 - name: app-template
   repository: https://bjw-s-labs.github.io/helm-charts/
-  version: 4.5.0
+  version: 4.6.0
 - name: mariadb-cluster
   repository: https://helm.mariadb.com/mariadb-operator
   version: 25.10.3
@@ -11,5 +11,5 @@ dependencies:
 - name: volsync-target
   repository: oci://harbor.alexlebens.net/helm-charts
   version: 0.7.0
-digest: sha256:805832fd8df9e1e4435dd2b10c877e0248ca5b3855d4c2faba4ff09c23afb898
-generated: "2025-12-27T13:29:47.00956-06:00"
+digest: sha256:4c5fe2972b77d33dd85deeb589ab00cdbf85b08728fbd67acf5320b4d82706e2
+generated: "2026-01-07T16:04:06.614915286Z"