Update Helm release base to v1.23.1

Author: renovate[bot]

apps/istio/base/kustomization.yaml

@@ -11,7 +11,7 @@ resources:
 helmCharts:
   - name: base
     releaseName: base
-    version: 1.22.0
+    version: 1.23.1
     repo: https://istio-release.storage.googleapis.com/charts
     includeCRDs: true
     valuesInline: