Merge pull request #31 from cattias/renovate/kube-prometheus-stack-80.x

Update Helm release kube-prometheus-stack to v80.9.0

Author: Christophe Attias

kube-prometheus-stack/kube-prometheus-stack.yaml

@@ -21,7 +21,7 @@ spec:
   source:
     chart: kube-prometheus-stack
     repoURL: https://prometheus-community.github.io/helm-charts/
-    targetRevision: 80.8.2
+    targetRevision: 80.9.0
     helm:
       releaseName: kube-prometheus-stack
       valuesObject: