chore(deps): update container image ghcr.io/linuxserver/duckdns to latest@cae91be by renovate (#17718)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/linuxserver/duckdns | digest | `91523ea` -> `cae91be` |

---

> [!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:eyJjcmVhdGVkSW5WZXIiOiIzNy4xNTMuMiIsInVwZGF0ZWRJblZlciI6IjM3LjE1My4yIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/stable/duckdns/Chart.yaml

@@ -22,7 +22,7 @@ home: https://truecharts.org/charts/stable/duckdns
 icon: https://truecharts.org/img/hotlink-ok/chart-icons/duckdns.png
 keywords:
   - duckdns
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -32,4 +32,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/duckdns
   - https://ghcr.io/linuxserver/duckdns
 type: application
-version: 8.1.15
+version: 8.1.16

charts/stable/duckdns/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/duckdns
   pullPolicy: IfNotPresent
-  tag: latest@sha256:91523eac78915b3c8fb6ba18cd0126dcbe0d55a513c9981b2d11f5a84c6de6d4
+  tag: latest@sha256:cae91be18c66a49845aaeedf53ddfdce9e805523acf548ec300ba0c8200c2a0e
 securityContext:
   container:
     runAsNonRoot: false