chore(helm): update image ghcr.io/linuxserver/duckdns digest to 2d25c72 (#32527)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/linuxserver/duckdns | digest | `b2ce677` -> `2d25c72` |

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charts/stable/duckdns/Chart.yaml

@@ -31,4 +31,4 @@ sources:
   - https://ghcr.io/linuxserver/duckdns
   - https://github.com/truecharts/charts/tree/master/charts/stable/duckdns
 type: application
-version: 11.5.5
+version: 11.5.6

charts/stable/duckdns/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/duckdns
   pullPolicy: IfNotPresent
-  tag: latest@sha256:b2ce677893bed11cbf7e695a305f915accd2af856cffdaa1ddef9849cee7438d
+  tag: latest@sha256:2d25c7237c5b4b43c9d8e7ddc7c80cac2f92e4262928c3e29ec82357b660b273
 securityContext:
   container:
     runAsNonRoot: false