chore(deps): update helm release thanos to v11.6.0

Author: renovate[bot]

cluster/apps/monitoring/thanos/helm-release.yaml

@@ -10,7 +10,7 @@ spec:
     spec:
       # renovate: registryUrl=https://charts.bitnami.com/bitnami
       chart: thanos
-      version: 11.5.5
+      version: 11.6.0
       sourceRef:
         kind: HelmRepository
         name: bitnami-charts