Reference ImageSharp V2 preview

Author: JimBobSquarePants

src/ImageSharp.Web/ImageSharp.Web.csproj

@@ -36,8 +36,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.IO.RecyclableMemoryStream" />
-    <PackageReference Include="SixLabors.ImageSharp" />
+    <PackageReference Include="Microsoft.IO.RecyclableMemoryStream" Version="2.2.0" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="2.0.0-alpha.0.156" />
   </ItemGroup>