Bump elasticsearch from 6.2.3 to 6.8.15 in /wx-app-data#10

dependabot[bot] wants to merge 1 commit intomasterJasonandy/springboot-wx:masterfrom

dependabot/maven/wx-app-data/org.elasticsearch-elasticsearch-6.8.15Jasonandy/springboot-wx:dependabot/maven/wx-app-data/org.elasticsearch-elasticsearch-6.8.15Copy head branch name to clipboard