chore(deps): update container image ghcr.io/techno-tim/littlelink-server to latest@15884bc by renovate (#18597)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/techno-tim/littlelink-server | digest | `4475ce3` -> `15884bc`
|

---

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

---

### Configuration

📅 **Schedule**: Branch creation - "before 10pm on monday" in timezone
Europe/Amsterdam, 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://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4yMTQuMCIsInVwZGF0ZWRJblZlciI6IjM3LjIxNC4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/stable/littlelink/Chart.yaml

@@ -22,7 +22,7 @@ home: https://truecharts.org/charts/stable/littlelink
 icon: https://truecharts.org/img/hotlink-ok/chart-icons/littlelink.png
 keywords:
   - littlelink
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/littlelink
   - https://ghcr.io/techno-tim/littlelink-server
 type: application
-version: 13.1.2
+version: 13.1.3

charts/stable/littlelink/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/techno-tim/littlelink-server
   pullPolicy: IfNotPresent
-  tag: latest@sha256:4475ce3829e82aa9b2def3099bf738e0691eb32fb5711e91e3623298d531fb43
+  tag: latest@sha256:15884bc70c033f06bd31b2fab6a22a774278c91f954903752c959dd50757376f
 service:
   main:
     ports: