Post sessions

curl --request POST \
  --url https://api.ionq.co/v0.4/sessions \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "backend": "<string>",
  "settings": {
    "job_count_limit": 123,
    "duration_limit_sec": 123,
    "cost_limit": {
      "unit": "<string>",
      "value": 123
    }
  }
}'

{
  "id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "organization_id": "<string>",
  "backend": "<string>",
  "project_id": "<string>",
  "creator_id": "<string>",
  "ended_at": "2023-11-07T05:31:56Z",
  "ender_id": "<string>",
  "settings": {
    "job_count_limit": 123,
    "duration_limit_sec": 123,
    "cost_limit": {
      "unit": "<string>",
      "value": 123
    },
    "expires_at": "2023-11-07T05:31:56Z"
  },
  "active": true,
  "status": "created",
  "started_at": "2023-11-07T05:31:56Z"
}