Swapped System.Data.SqlClient with new Microsoft.Data.SqlClient

The `Microsoft.Data.SqlClient` maintains the historical functionality of `System.Data.SqlClient` while making it easier for the .NET team to maintain a shared code base between the .NET Framework and .NET Core. (The previous version, apparently, requires two separate code bases targeting different frameworks.)

Author: JeremyCaney

OnTopic.Data.Sql/OnTopic.Data.Sql.csproj

@@ -44,7 +44,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="System.Data.SqlClient" Version="4.7.0" />
+    <PackageReference Include="Microsoft.Data.SqlClient" Version="1.1.1" />
   </ItemGroup>
 
   <ItemGroup>

OnTopic.Data.Sql/SqlTopicRepository.cs

@@ -6,17 +6,17 @@
 using System;
 using System.Collections.Generic;
 using System.Data;
-using System.Data.SqlClient;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 using System.Linq;
 using System.Net;
 using System.Text;
+using Microsoft.Data.SqlClient;
 using OnTopic.Attributes;
-using OnTopic.Repositories;
-using OnTopic.Metadata;
 using OnTopic.Internal.Diagnostics;
+using OnTopic.Metadata;
+using OnTopic.Repositories;
 
 namespace OnTopic.Data.Sql {