[GONRG-7917] added replicas variable in helm

devops/gc/deploy/templates/deployment.yaml

@@ -9,7 +9,7 @@ spec:
   selector:
     matchLabels:
       app: {{ .Values.conf.appName  | quote}}
-  replicas: 1
+  replicas: {{ .Values.conf.replicas }}
   template:
     metadata:
       labels:

devops/gc/deploy/values.yaml

@@ -30,6 +30,7 @@ conf:
   openidSecretName: "notification-keycloak-secret"
   notificationRedisSecretName: "notification-redis-secret"
   redisSSL: false
+  replicas: 1
 
 istio:
   proxyCPU: "5m"