SonarQube LTS should ship with the version of Elasticsearch which will be supported by Elastic until the next LTS of SonarQube.
SonarQube currently bundles Elasticsearch 7.11.2
Upgrade SQ's Elasticsearch to latest available version before LTS.
Elasticsearch will be upgraded to 7.12.X
Review of changes between 7.11.2 and 7.12.X