SDK 4.1.0 outputs a schema location of [https://schemastore.azurewebsites.net/schemas/json/sarif-2.1.0-rtm.6.json](https://schemastore.azurewebsites.net/schemas/json/sarif-2.1.0-rtm.6.json) but that link is 404.  It looks like this was also reported in [BinSkim](https://github.com/microsoft/binskim/issues/837)