Get agents by action ids
[Required authorization] Route required privileges: fleet-agents-read.
POST
/api/fleet/agents
curl \
--request POST 'https://localhost:5601/api/fleet/agents' \
--header "Authorization: $API_KEY" \
--header "Content-Type: application/json" \
--header "kbn-xsrf: true" \
--data '{"actionIds":["string"]}'