[8.1] HSEARCH-5498 Upgrade Elasticsearch client to 9.1.5 / HSEARCH-5498 Upgrade Elasticsearch client to 9.1.5#4851

marko-bekhta wants to merge 2 commits intohibernate:8.1hibernate/hibernate-search:8.1from

marko-bekhta:dep/8.1/HSEARCH-5498-Upgrade-Elasticsearch-client-to-9.1.5marko-bekhta/hibernate-search:dep/8.1/HSEARCH-5498-Upgrade-Elasticsearch-client-to-9.1.5Copy head branch name to clipboard