Check out the specified file

• command: spo file checkout -w|--webUrl <webUrl> -u|--url [url]
• webUrl: The URL of the site where the file is located
• url: server- or site-relative URL of the file to check out
• specify either the ID or the URL of the file to check out but not both
• requires connection to a SharePoint site

For more information see the Set-PnPFileCheckedOut cmdlet