Update logo in Helm charts

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

charts/flagger/Chart.yaml

@@ -6,7 +6,7 @@ kubeVersion: ">=1.16.0-0"
 engine: gotpl
 description: Flagger is a progressive delivery operator for Kubernetes
 home: https://flagger.app
-icon: https://raw.githubusercontent.com/fluxcd/flagger/main/docs/logo/weaveworks.png
+icon: https://raw.githubusercontent.com/fluxcd/flagger/main/docs/logo/flagger-icon.png
 sources:
   - https://github.com/fluxcd/flagger
 maintainers:

charts/grafana/Chart.yaml

@@ -3,7 +3,7 @@ name: grafana
 version: 1.5.0
 appVersion: 7.2.0
 description: Grafana dashboards for monitoring Flagger canary deployments
-icon: https://raw.githubusercontent.com/fluxcd/flagger/main/docs/logo/weaveworks.png
+icon: https://raw.githubusercontent.com/fluxcd/flagger/main/docs/logo/flagger-icon.png
 home: https://flagger.app
 sources:
   - https://github.com/fluxcd/flagger

charts/loadtester/Chart.yaml

@@ -6,7 +6,7 @@ kubeVersion: ">=1.11.0-0"
 engine: gotpl
 description: Flagger's load testing services based on rakyll/hey and bojand/ghz that generates traffic during canary analysis when configured as a webhook.
 home: https://docs.flagger.app
-icon: https://raw.githubusercontent.com/fluxcd/flagger/main/docs/logo/weaveworks.png
+icon: https://raw.githubusercontent.com/fluxcd/flagger/main/docs/logo/flagger-icon.png
 sources:
   - https://github.com/fluxcd/flagger
 maintainers:

charts/podinfo/Chart.yaml

@@ -5,7 +5,7 @@ name: podinfo
 engine: gotpl
 description: Flagger canary deployment demo application
 home: https://docs.flagger.app
-icon: https://raw.githubusercontent.com/fluxcd/flagger/main/docs/logo/weaveworks.png
+icon: https://raw.githubusercontent.com/fluxcd/flagger/main/docs/logo/flagger-icon.png
 sources:
   - https://github.com/stefanprodan/podinfo
 maintainers: