Upgrade to Microsoft.CSharp 4.6

Author: i4004

src/Simplify.Web.Tests/Simplify.Web.Tests.csproj

@@ -16,7 +16,6 @@
 	</ItemGroup>
 	<ItemGroup>
 		<PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-		<PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.3.0" />
 		<PackageReference Include="Moq" Version="4.13.0" />
 		<PackageReference Include="NUnit" Version="3.12.0" />

src/Simplify.Web/Simplify.Web.csproj

@@ -15,6 +15,7 @@
 			Updates
 			* Upgrade to Simplify.DI 4.0
 			* Upgrade to Simplify.Templates 1.5.2
+			* Microsoft.CSharp 4.6
 			Other
 			* Internal upgrade to Simplify.String.Sources 1.2.0
 			* Internal upgrade to Simplify.System.Sources 1.2.0
@@ -27,7 +28,7 @@
 		<EmbeddedResource Include="Diagnostics\ExceptionInfoPage.html" />
 	</ItemGroup>
 	<ItemGroup>
-		<PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
+		<PackageReference Include="Microsoft.CSharp" Version="4.6.0" />
 		<PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.2" />
 		<PackageReference Include="Microsoft.AspNetCore.Http.Extensions" Version="2.2.0" />
 		<PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="2.2.0" />