fix(deps): update container image ghcr.io/linuxserver/duckdns to latest (#15095)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/linuxserver/duckdns | digest | `b9bb62a` -> `9cbcfa0` |

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charts/stable/duckdns/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v2
 kubeVersion: ">=1.16.0-0"
 name: duckdns
-version: 6.0.18
+version: 6.0.19
-appVersion: "latest"
+appVersion: latest
 description: Duckdns is a free service which will point a DNS (sub domains of duckdns.org) to an IP of your choice.
 type: application
 deprecated: false

charts/stable/duckdns/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/duckdns
   pullPolicy: IfNotPresent
-  tag: latest@sha256:b9bb62a4f105d6ae043b2c92c1f592325ff4930c14436af4369ab7e7c74f1ebb
+  tag: latest@sha256:9cbcfa035dc1655fc7d004ed7e05e8b952077a15e41dbe838da8df02e6a75c12
 securityContext:
   container:
     runAsNonRoot: false