Upscale or restore an image (async)

curl --request POST \
  --url https://api.rimp.io/v1/upscale \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "<string>",
  "image_url": "<string>",
  "face_enhance": true
}
'

{
  "id": "<string>",
  "prompt": "<string>",
  "params": {},
  "reserved_credits": 123,
  "charged_credits": 123,
  "refunded_credits": 123,
  "cache_hit": true,
  "outputs": [
    {
      "id": "<string>",
      "mime": "<string>",
      "width": 123,
      "height": 123,
      "duration_s": "<string>",
      "url": "<string>"
    }
  ]
}