chore(helm): update image docker.io/duplicati/duplicati digest to 3dbb83a (#32888)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/duplicati/duplicati | digest | `c6a2efd` -> `3dbb83a` |

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

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charts/stable/duplicati/Chart.yaml

@@ -32,4 +32,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/duplicati
   - https://hub.docker.com/r/duplicati/duplicati
 type: application
-version: 15.5.3
+version: 15.5.4

charts/stable/duplicati/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/duplicati/duplicati
-  tag: latest@sha256:c6a2efddd86bdaf7c6927ea5c807986df7c0395581d061595db4884db2783ac5
+  tag: latest@sha256:3dbb83aba8e714ff2d3c44fef564e55c73f4d67ff689e28a957e7b8f60925ca1
   pullPolicy: IfNotPresent
 service:
   main: