CAT Nodes | report allocated CPU

[stefnestor]

Description

👋 howdy, team! Will you kindly consider expanding CAT Nodes to report Nodes Info os.cpu.allocated_processors . This would line up CPU quick-check for load_* like the API returns heap quick-check (showing heap.percent vs heap.max). 🙏

[elasticsearchmachine]

Pinging @elastic/es-data-management (Team:Data Management)