Update Rune samples project to net6.0 (dotnet#8843)

jeffhandley · web-flow · commit 948da34e725d · 2023-02-14T16:42:18.000-08:00
diff --git a/snippets/csharp/System.Text/Rune/Overview/RuneSamples.csproj b/snippets/csharp/System.Text/Rune/Overview/RuneSamples.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>
