Bump elasticsearch from 5.6.0 to 6.8.15#3

dependabot[bot] wants to merge 1 commit intomasternoobgod/elasticsearch-sql:masterfrom

dependabot/maven/org.elasticsearch-elasticsearch-6.8.15noobgod/elasticsearch-sql:dependabot/maven/org.elasticsearch-elasticsearch-6.8.15Copy head branch name to clipboard