Feat: upgrade istio from 1.19.5 to 1.27.1 (#3066)

pkg/ingress/kube/gateway/istio/testdata/backend-lb-policy.yaml.golden

@@ -0,0 +1,16 @@
+apiVersion: networking.istio.io/v1alpha3
+kind: DestinationRule
+metadata:
+  annotations:
+    internal.istio.io/parents: XBackendTrafficPolicy/default.lb-policy
+  creationTimestamp: null
+  name: echo-istio-autogenerated-k8s-gateway
+  namespace: default
+spec:
+  host: echo.default.svc.domain.suffix
+  trafficPolicy:
+    loadBalancer: {}
+    retryBudget:
+      minRetryConcurrency: 5
+      percent: 30
+---