curl --request PUT \
  --url https://flow.seekr.com/v1/flow/files/{file_id}/rename \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "new_filename": "<string>"
}
'

{
  "id": "<string>",
  "object": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "filename": "<string>",
  "bytes": 123,
  "created_by": "<string>",
  "original_file_id": "<string>",
  "deleted": true
}