chore(apps): update icons (#3156)

* chore(apps): update icons

* bump everything

charts/stable/grav/Chart.yaml

@@ -6,7 +6,7 @@ dependencies:
   version: 10.4.4
 description: A Fast, Simple, and Flexible, file-based Web-platform.
 home: https://github.com/truecharts/apps/tree/master/charts/stable/grav
-icon: https://truecharts.org/img/appicons/grav.png
+icon: https://truecharts.org/img/chart-icons/grav.png
 keywords:
 - grav
 - web
@@ -22,7 +22,7 @@ sources:
 - https://github.com/linuxserver/docker-grav
 - https://github.com/getgrav/grav/
 type: application
-version: 4.0.12
+version: 4.0.13
 annotations:
   truecharts.org/catagories: |
     - media