Create a new campaign for a voice v1 deployment

curl --request POST \
  --url https://brainbase-monorepo-api.onrender.com/api/workers/{workerId}/deployments/voicev1/{deploymentId}/campaigns \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "steps": [
    {}
  ]
}'

{
  "id": "<string>",
  "status": "RUNNING",
  "steps": [
    {}
  ]
}