Update dependencies
Removes Cake call from azurepipeline.yml (after attempting to upgrade, will remove files in separate commit)
Uses dotnet/msbuild to build and run tests in Azure DevOps directly
Moves Stylecop to .editorconfig
Moves to .NET 6 for build and targets
Fixes build configuration for CI to only build required libraries and not samples
Renames Net5Windows example to NetWindows
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