Bump elasticsearch from LATEST to 6.8.15#9

dependabot[bot] wants to merge 1 commit intodevelopspati-java/spring-boot-java-highlevel-rest-client-elasticsearch:developfrom

dependabot/maven/org.elasticsearch-elasticsearch-6.8.15spati-java/spring-boot-java-highlevel-rest-client-elasticsearch:dependabot/maven/org.elasticsearch-elasticsearch-6.8.15Copy head branch name to clipboard