chore(helm): update image ghcr.io/linuxserver/piwigo digest to 6fa5684 (#30018)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/piwigo](https://redirect.github.com/linuxserver/docker-piwigo/packages)
([source](https://redirect.github.com/linuxserver/docker-piwigo)) |
digest | `d0150ac` -> `6fa5684` |

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charts/stable/piwigo/Chart.yaml

@@ -42,4 +42,4 @@ sources:
   - https://github.com/linuxserver/docker-piwigo
   - https://github.com/truecharts/charts/tree/master/charts/stable/piwigo
 type: application
-version: 15.1.2
+version: 15.1.3

charts/stable/piwigo/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/piwigo
   pullPolicy: IfNotPresent
-  tag: 15.1.0@sha256:d0150accfc65e82b303fc6cfc07f2ac2e060a40e43a039ef3520181267195411
+  tag: 15.1.0@sha256:6fa5684dc5e87bb7828476de0c71bda0c8ed92537b919ea3d41d69d12ca78496
 securityContext:
   container:
     runAsNonRoot: false