Add istio-init container exclusion for require-non-root-user

chart/templates/kyverno/policies/values.yaml

@@ -288,6 +288,11 @@ policies:
 
   require-non-root-user:
     validationFailureAction: audit
+    {{ if .Values.istio.enabled }}
+    parameters: 
+      excludeContainers:
+        - istio-init
+    {{- end }}
     {{- if or $deployRestic .Values.twistlock.enabled .Values.fluentbit.enabled .Values.promtail.enabled .Values.addons.gitlab.enabled }}
     exclude:
       any: