Bump elasticsearch from 2.4.0 to 6.8.13 in /ycsb/elasticsearch#49

dependabot[bot] wants to merge 1 commit intomasterutsaslab/SplitFS:masterfrom

dependabot/maven/ycsb/elasticsearch/org.elasticsearch-elasticsearch-6.8.13utsaslab/SplitFS:dependabot/maven/ycsb/elasticsearch/org.elasticsearch-elasticsearch-6.8.13Copy head branch name to clipboard