chore(apps): update icons (#3156)

* chore(apps): update icons

* bump everything

charts/incubator/piwigo/Chart.yaml

@@ -7,7 +7,7 @@ dependencies:
 description: A is photo gallery software for the web, built by an active community
   of users and developers.
 home: https://github.com/truecharts/apps/tree/master/charts/incubator/piwigo
-icon: https://truecharts.org/img/appicons/piwigo.png
+icon: https://truecharts.org/img/chart-icons/piwigo.png
 keywords:
 - piwigo
 - gallery
@@ -23,7 +23,7 @@ sources:
 - http://piwigo.org/
 - https://github.com/linuxserver/docker-piwigo
 type: application
-version: 3.0.12
+version: 3.0.13
 annotations:
   truecharts.org/catagories: |
     - media