Currently this library uses Notion Version 2021-05-13

see https://github.com/5am-code/laravel-notion-api/blob/v1.2.0/src/Notion.php#L261

Describe the solution you'd like

Use a more recent Notion Version which allows for file uploads. e.g. 2022-06-28

Additional context
see https://developers.notion.com/docs/working-with-files-and-media