Bump Microsoft.CSharp from 4.6.0 to 4.7.0 (#146)

Author: dependabot-preview[bot]

src/Hyperion/Hyperion.csproj

@@ -11,12 +11,12 @@
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.6' ">
     <PackageReference Include="System.Reflection.TypeExtensions" Version="4.7.0" />
-    <PackageReference Include="Microsoft.CSharp" Version="4.6.0" />
+    <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
     <PackageReference Include="System.Runtime" Version="4.3.1" />
-    <PackageReference Include="Microsoft.CSharp" Version="4.6.0" />
+    <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">