chore(apps): update icons (#3156)

* chore(apps): update icons

* bump everything

charts/stable/uptimerobot-prometheus/Chart.yaml

@@ -6,7 +6,7 @@ dependencies:
   version: 10.4.4
 deprecated: false
 description: Prometheus Exporter for the official uptimerobot CLI
-icon: https://truecharts.org/img/appicons/uptimerobot-prometheus.png
+icon: https://truecharts.org/img/chart-icons/uptimerobot-prometheus.png
 home: https://github.com/truecharts/apps/tree/master/charts/stable/uptimerobot-prometheus
 keywords:
 - uptimerobot
@@ -23,7 +23,7 @@ sources:
   - https://github.com/lekpamartin/uptimerobot_exporter
   - https://github.com/k8s-at-home/charts/tree/master/charts/uptimerobot-prometheus
 type: application
-version: 4.0.14
+version: 4.0.15
 annotations:
   truecharts.org/catagories: |
     - metrics