do_action( 'cloudinary_version_upgrade', $new_version, $old_version )
    Do action to allow upgrading of different areas.
    Parameters:
| Name | Type | Description | 
|---|---|---|
$new_version | 
            
            string | The version upgrading to. | 
$old_version | 
            
            string | The version upgrading from. | 
- Since:
 - 2.3.1
 
- Source: