chore(helm): update image ghcr.io/linuxserver/piwigo digest to 81ea902 (#37042)

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 | `3fcf2a3` -> `81ea902` |

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

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charts/stable/piwigo/Chart.yaml

@@ -45,5 +45,5 @@ sources:
   - https://github.com/linuxserver/docker-piwigo
   - https://github.com/truecharts/charts/tree/master/charts/stable/piwigo
 type: application
-version: 16.0.3
+version: 16.0.4
 

charts/stable/piwigo/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/piwigo
   pullPolicy: IfNotPresent
-  tag: 15.5.0@sha256:3fcf2a39d6702410888dd4d4ba8534ee4eba150a85c996133eaea92d44306228
+  tag: 15.5.0@sha256:81ea90221ca1fd40ea834c7a98f186aa4ff3685179e60a38bb0d7f6eef8612de
 securityContext:
   container:
     runAsNonRoot: false