add isito resources to brusnika-stage

clusters/brusnika-stage/infrastructure/patches/istio-gateway.yaml

@@ -11,10 +11,21 @@ spec:
     - name: istiod
       namespace: istio-system
   values:
+    _internal_defaults_do_not_set:
       name: istio-ingressgateway
       labels:
         app: istio-ingressgateway
         istio: ingressgateway
+      replicaCount: 2
+      affinity: {}
+      tolerations: []
+      hostPorts: []
+      podAnnotations:
+        prometheus.io/port: "15020"
+        prometheus.io/scrape: "true"
+        prometheus.io/path: /stats/prometheus
+        inject.istio.io/templates: gateway
+        sidecar.istio.io/inject: "true"
       service:
         type: ClusterIP
         externalTrafficPolicy: ""