Update replica for ES as 3

If we have only one ES, then ILM will not work. This is because replica at index level is configured as 2 and when only one node is present, the health of shards and index will be YELLOW which will cause disruption in ILM

Author: vallabsag

deployment/helm/values.yaml

@@ -91,7 +91,7 @@ applications:
     # -- Elasticsearch image tag
     imageTag: "8.1.1"
     # -- Storage size for persistent volume
-    replicas: 1
+    replicas: 3
     # -- Cluster master nodes in the format "<name>-0, ..., <name>-(n-1)" where n is replicas. For a single node cluster it will be "<name>-0".
     cluster:
       initial_master_nodes: elasticsearch-0
@@ -152,4 +152,4 @@ applications:
 domainName: my-control-plane
 imagePullSecretName: regcred
 # -- Optionally configure a ingress class to use for the kubernetes ingress (default: nginx)
-# ingressClassName: nginx
+# ingressClassName: nginx