chore(apps): update icons (#3156)

* chore(apps): update icons

* bump everything

charts/stable/unpoller/Chart.yaml

@@ -6,7 +6,7 @@ dependencies:
   version: 10.4.4
 deprecated: false
 description: Collect ALL UniFi Controller, Site, Device & Client Data - Export to InfluxDB or Prometheus
-icon: https://truecharts.org/img/appicons/unpoller.png
+icon: https://truecharts.org/img/chart-icons/unpoller.png
 home: https://github.com/truecharts/apps/tree/master/charts/stable/unpoller
 keywords:
 - unifi
@@ -22,7 +22,7 @@ sources:
 - https://github.com/unifi-poller/unifi-poller
 - https://hub.docker.com/r/golift/unifi-poller
 type: application
-version: 3.0.14
+version: 3.0.15
 annotations:
   truecharts.org/catagories: |
     - metrics