chore(apps): update icons (#3156)

* chore(apps): update icons

* bump everything

charts/stable/grafana/Chart.yaml

@@ -7,7 +7,7 @@ dependencies:
 deprecated: false
 description: Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, Elasticsearch, OpenTSDB, Prometheus and InfluxDB.
 home: https://github.com/truecharts/apps/tree/master/charts/stable/grafana
-icon: https://truecharts.org/img/appicons/grafana.png
+icon: https://truecharts.org/img/chart-icons/grafana.png
 keywords:
   - analytics
   - monitoring
@@ -23,7 +23,7 @@ sources:
   - https://github.com/bitnami/bitnami-docker-grafana
   - https://grafana.com/
 type: application
-version: 4.0.23
+version: 4.0.24
 annotations:
   truecharts.org/catagories: |
     - metrics