Bump elasticsearch from 5.6.2 to 6.8.13 in /CDM-TOPIC-MODELING#6

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dependabot/maven/CDM-TOPIC-MODELING/org.elasticsearch-elasticsearch-6.8.13OHNLPIR/OMOP_CDM_IO:dependabot/maven/CDM-TOPIC-MODELING/org.elasticsearch-elasticsearch-6.8.13Copy head branch name to clipboard