Safeguard data on third-party collaboration platforms

GitHub and Confluence are not listed among the natively supported data sources for scanning, classification, or policy enforcement in the Purview Data Map. You might need to rely on the 3rd party connectors and may require more investigation into what exactly they can support

Here is a list of existing data connectors that are supported-https://learn.microsoft.com/en-us/purview/archive-third-party-data