Bump elasticsearch from 2.1.2 to 6.8.17 in /elasticsearch#17

dependabot[bot] wants to merge 1 commit intomasterthushear/ArchitectureOfJava:masterfrom

dependabot/maven/elasticsearch/org.elasticsearch-elasticsearch-6.8.17thushear/ArchitectureOfJava:dependabot/maven/elasticsearch/org.elasticsearch-elasticsearch-6.8.17Copy head branch name to clipboard