Issue a fleet bootstrap certificate for JITR/JITP provisioning

curl --request POST \
  --url https://api.ilyama.golain.io/core/api/v1/projects/{project_id}/fleets/{fleet_id}/bootstrap-certs \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'ORG-ID: <api-key>' \
  --data '
{
  "max_devices": 500
}
'

{
  "data": "<unknown>",
  "meta": "<unknown>"
}