[elasticsearch] add keystore container securityContext (#1494)

fix #1195 , add a securityContext for the initContainer "keystore". The securityContext is the same than the main container.

Co-authored-by: jmlrt <[email protected]>

Author: ebuildy

elasticsearch/templates/statefulset.yaml

@@ -180,6 +180,8 @@ spec:
       {{- end }}
 {{ if .Values.keystore }}
       - name: keystore
+        securityContext:
+{{ toYaml .Values.securityContext | indent 10 }}
         image: "{{ .Values.image }}:{{ .Values.imageTag }}"
         imagePullPolicy: "{{ .Values.imagePullPolicy }}"
         command: