Start a DynamoDB export

curl --request POST \
  --url https://api.artie.com/connectors/{uuid}/start-dynamodb-export \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "s3Bucket": "<string>",
  "s3Prefix": "<string>"
}
'

{
  "exportARN": "<string>"
}