[kube-prometheus-stack] Update Helm release grafana to v11.5.0 (#6825)

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

Author: renovate[bot]

charts/kube-prometheus-stack/Chart.yaml

@@ -28,7 +28,7 @@ name: kube-prometheus-stack
 sources:
   - https://github.com/prometheus-community/helm-charts
   - https://github.com/prometheus-operator/kube-prometheus
-version: 83.1.0
+version: 83.2.0
 # renovate: github=prometheus-operator/prometheus-operator
 appVersion: v0.90.1
 kubeVersion: ">=1.25.0-0"
@@ -60,7 +60,7 @@ dependencies:
     repository: https://prometheus-community.github.io/helm-charts
     condition: nodeExporter.enabled
   - name: grafana
-    version: "11.4.0"
+    version: "11.5.0"
     repository: https://grafana-community.github.io/helm-charts
     condition: grafana.enabled
   - name: prometheus-windows-exporter