chore(helm): update image ghcr.io/linuxserver/piwigo digest to d8a9979 (#28045)

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 | `458d08e` -> `d8a9979` |

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to pin your dependencies.

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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: 14.7.1
+version: 14.7.2

charts/stable/piwigo/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/piwigo
   pullPolicy: IfNotPresent
-  tag: 14.5.0@sha256:458d08e9143c9b7796a426925ace2df33d4b9d2e12cc97e8156ce76c1100f6f5
+  tag: 14.5.0@sha256:d8a99791379361b4e9e03b25c4ad82cd706d5611d222d43c769b28f9fb7b618d
 securityContext:
   container:
     runAsNonRoot: false