Enable preview features for quic

Author: wtgodbe

src/Servers/Kestrel/Transport.Quic/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Quic.csproj

@@ -7,9 +7,10 @@
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;kestrel</PackageTags>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <NoWarn>CA1416;CS1591;CS0436;$(NoWarn)</NoWarn><!-- Conflicts between internal and public Quic APIs; Platform support warnings. -->
+    <NoWarn>CA1416;CS1591;CS0436;$(NoWarn)</NoWarn> <!-- Conflicts between internal and public Quic APIs; Platform support warnings. -->
     <IsPackable>false</IsPackable>
     <Nullable>enable</Nullable>
+    <EnablePreviewFeatures>True</EnablePreviewFeatures> <!-- System.Net.Quic is still in preview -->
   </PropertyGroup>
 
   <ItemGroup>