Log .NET runtime version

I was looking into a crash, and found out it was an issue that was fixed
in .NET 9.0.1. Since Ryujinx embeds the runtime into the executable, it
not obvious which runtime a build uses. This logs the .NET runtime
version immediately after the build version.

src/Ryujinx/Program.cs

@@ -219,6 +219,7 @@ namespace Ryujinx.Ava
         private static void PrintSystemInfo()
         {
             Logger.Notice.Print(LogClass.Application, $"Ryujinx Version: {Version}");
+            Logger.Notice.Print(LogClass.Application, $".NET Runtime: {RuntimeInformation.FrameworkDescription}");
             SystemInfo.Gather().Print();
 
             Logger.Notice.Print(LogClass.Application, $"Logs Enabled: {(Logger.GetEnabledLevels().Count == 0 ? "<None>" : string.Join(", ", Logger.GetEnabledLevels()))}");