Updating istio labels for elasticsearch

Updating istio labels for elasticsearch based on their current istio+eck-operator installation recommendation.

https://www.elastic.co/guide/en/cloud-on-k8s/current/k8s-service-mesh-istio.html

CHANGELOG.md

@@ -4,6 +4,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ---
 
+## [0.1.7-bb.0] - 2021-04-07
+### Added
+- Updating isito labels for elasticsearch resource
+
 ## [0.1.6-bb.0] - 2021-03-30
 ### Added
 - `kibana.count` to chart values
@@ -33,4 +37,4 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Added
 
 - Adds the ability to create pod antiaffinity and node affinity.
-- Adds the ability to add labels, annotations, a list of gateways and hosts for the kibana virtualservice.
\ No newline at end of file
+- Adds the ability to add labels, annotations, a list of gateways and hosts for the kibana virtualservice.