chore(apps): update icons (#3156)

* chore(apps): update icons

* bump everything

charts/stable/outline/Chart.yaml

@@ -15,7 +15,7 @@ dependencies:
 deprecated: false
 description: A fast, collaborative, knowledge base for your team built using React and Node.js.
 home: https://github.com/truecharts/apps/tree/master/charts/stable/outline
-icon: https://truecharts.org/img/appicons/outline.png
+icon: https://truecharts.org/img/chart-icons/outline.png
 keywords:
 - outline
 - knowledge
@@ -28,7 +28,7 @@ name: outline
 sources:
 - https://github.com/outline/outline
 type: application
-version: 3.0.15
+version: 3.0.16
 annotations:
   truecharts.org/catagories: |
     - productivity