[master] Update dependencies from dotnet/arcade
- Coherency Updates:
- Microsoft.SourceLink.GitHub: from 1.1.0-beta-20628-02 to 1.1.0-beta-21055-03 (parent: Microsoft.DotNet.Arcade.Sdk)
- XliffTasks: from 1.0.0-beta.20629.1 to 1.0.0-beta.20631.1 (parent: Microsoft.DotNet.Arcade.Sdk)