Add cache support in TransportGetAllocationStatsAction (#124898)#125588

JeremyDahlgren merged 4 commits intoelastic:8.xelastic/elasticsearch:8.xfrom

JeremyDahlgren:backport-get-node-alloc-stats-cacheJeremyDahlgren/elasticsearch:backport-get-node-alloc-stats-cacheCopy head branch name to clipboard