feat(container): update image kube-prometheus-stack to v46.8.0 (#779)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

kubernetes/apps/monitoring/kube-prometheus-stack/app/helmrelease.yaml

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: kube-prometheus-stack
-      version: 46.6.0
+      version: 46.8.0
       sourceRef:
         kind: HelmRepository
         name: prometheus-community