Update ImageSharp reference.

Author: JimBobSquarePants

src/ImageSharp.Web/ImageSharp.Web.csproj

@@ -46,7 +46,7 @@
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.IO.RecyclableMemoryStream" Version="3.0.1" />
-    <PackageReference Include="SixLabors.ImageSharp" Version="3.1.8" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="3.1.11" />
   </ItemGroup>
 
   <Import Project="..\..\shared-infrastructure\src\SharedInfrastructure\SharedInfrastructure.projitems" Label="Shared" />