chore(helm): update image ghcr.io/linuxserver/digikam digest to a9a22e8 (#37729)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/digikam](https://redirect.github.com/linuxserver/docker-digikam/packages)
([source](https://redirect.github.com/linuxserver/docker-digikam)) |
digest | `e598040` -> `a9a22e8` |

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to pin your dependencies.

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charts/stable/digikam/Chart.yaml

@@ -40,5 +40,5 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/digikam
   - https://www.digikam.org/
 type: application
-version: 15.1.2
+version: 15.1.3
 

charts/stable/digikam/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/digikam
   pullPolicy: IfNotPresent
-  tag: 8.7.0@sha256:e59804036ed73ca0adc049acd30b4e680a7dcf83dc3c07b8752a6802f1288e32
+  tag: 8.7.0@sha256:a9a22e8ad786017d71032c589a9fde4f4967648e9d89becd3f76940e8943a052
 securityContext:
   container:
     readOnlyRootFilesystem: false