[9.4] [StorageIndexAdapter] Set auto_expand_replicas to fix yellow health on single-node ES clusters (#263096)#264262

kibanamachine merged 1 commit intoelastic:9.4elastic/kibana:9.4from

kibanamachine:backport/9.4/commit-b805e2e7kibanamachine/kibana:backport/9.4/commit-b805e2e7Copy head branch name to clipboard