Merge pull request github#16476 from github/criemen/update-deps

C#: Update non-Roslyn thirdparty dependencies

Author: criemen

csharp/paket.dependencies

@@ -4,17 +4,17 @@ source https://api.nuget.org/v3/index.json
 # behave like nuget in choosing transitive dependency versions
 strategy: min
 
-nuget Mono.Posix.NETStandard 1.0.0
-nuget Newtonsoft.Json 13.0.3
-nuget xunit 2.6.2
-nuget xunit.runner.visualstudio 2.5.4
-nuget Microsoft.NET.Test.Sdk 17.8.0
+nuget Mono.Posix.NETStandard
+nuget Newtonsoft.Json
+nuget xunit
+nuget xunit.runner.visualstudio
+nuget Microsoft.NET.Test.Sdk
 nuget Microsoft.CodeAnalysis.CSharp 4.8.0
 nuget Microsoft.CodeAnalysis 4.8.0
 nuget Microsoft.Build 17.8.3
-nuget Microsoft.Win32.Primitives 4.3.0
-nuget System.Net.Primitives 4.3.1
-nuget System.Security.Principal 4.3.0
-nuget System.Threading.ThreadPool 4.3.0
-nuget System.IO.FileSystem 4.3.0
+nuget Microsoft.Win32.Primitives
+nuget System.Net.Primitives
+nuget System.Security.Principal
+nuget System.Threading.ThreadPool
+nuget System.IO.FileSystem
 nuget GitInfo 3.3.3