Update Helm release kube-prometheus-stack to v86.2.3

Author: renovate[bot]

apps/prometheus/overlays/prod/kustomization.yaml

@@ -11,7 +11,7 @@ helmCharts:
     repo: https://prometheus-community.github.io/helm-charts
     releaseName: kube-prometheus-stack
     namespace: prometheus
-    version: 86.2.2
+    version: 86.2.3
     includeCRDs: true
     # From https://github.com/prometheus-community/helm-charts/blob/main/charts/kube-prometheus-stack/values.yaml
     valuesFile: values.yaml