Fix the target framework version.
Fix the target framework version.

indsoft/NuGet2,indsoft/NuGet2,chocolatey/nuget-chocolatey,indsoft/NuGet2,indsoft/NuGet2,chocolatey/nuget-chocolatey,indsoft/NuGet2,chocolatey/nuget-chocolatey,chocolatey/nuget-chocolatey,indsoft/NuGet2,chocolatey/nuget-chocolatey,chocolatey/nuget-chocolatey