chore(helm): update image ghcr.io/actualbudget/actual 25.11.0 → 25.12.0 (#42412)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/actualbudget/actual | minor | `8f72d73` -> `7f38b45` |

---

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

Add the preset `:preserveSemverRanges` to your config if you don't want
to pin your dependencies.

---

### Configuration

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

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, 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://redirect.github.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi4xNy4wIiwidXBkYXRlZEluVmVyIjoiNDIuMTcuMCIsInRhcmdldEJyYW5jaCI6Im1hc3RlciIsImxhYmVscyI6WyJhdXRvbWVyZ2UiLCJyZW5vdmF0ZS9jb250YWluZXIiLCJ0eXBlL21pbm9yIl19-->

charts/stable/actualserver/Chart.yaml

@@ -11,7 +11,7 @@ annotations:
   truecharts.org/min_kubernetes_version: 1.24.0
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 25.11.0
+appVersion: 25.12.0
 dependencies:
   - name: common
     version: 28.29.2
@@ -38,5 +38,5 @@ sources:
   - https://github.com/Kippenhof/docker-templates
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/actualserver
 type: application
-version: 14.17.1
+version: 14.18.0