Merge branch 'promtail-3.6.0' into 'master'

Update promtail chart to 3.6.0

See merge request openappstack/openappstack!435

flux2/apps/monitoring/eventrouter-release.yaml

@@ -8,6 +8,7 @@ spec:
   releaseName: eventrouter
   chart:
     spec:
+      # https://github.com/helm/charts/tree/master/stable/eventrouter
       chart: eventrouter
       version: 0.3.2
       sourceRef:

flux2/apps/monitoring/promtail-release.yaml

@@ -8,8 +8,9 @@ spec:
   releaseName: promtail
   chart:
     spec:
+      # https://artifacthub.io/packages/helm/grafana/promtail
       chart: promtail
-      version: 3.5.1
+      version: 3.6.0
       sourceRef:
         kind: HelmRepository
         name: grafana