Merge branch '276887-bump-elasticsearch-version' into 'master'

Upgrade GitLab Elasticsearch Indexer version to v2.11.0

See merge request gitlab-org/gitlab!61737

GITLAB_ELASTICSEARCH_INDEXER_VERSION

-2.10.0
+2.11.0

ee/changelogs/unreleased/276887-bump-elasticsearch-version.yml

+---
+title: Upgrade the GitLab Elasticsearch Indexer version to v2.11.0
+merge_request: 61737
+author:
+type: performance