Extract the TargetFrameworks into the common.props
Remove NuProj files and make C# projects produce packages during build. These aren't used to produce the official NuGet packages and we don't need to maintain them with the SDK-style projects.
Suppress warning MSB3270 for AMD64/AnyCPU target mismatch
Increment BuildVersion of the internal packages for integration
.NET Core 3.1 and .NET 5 are already out of support. .NET 7 will be out of support before SF SDK v8 ships later this year. https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core#lifecycle https://msazure.visualstudio.com/One/_workitems/edit/27099406
Also: