Bump System.Data.SqlClient

Bumps [System.Data.SqlClient](https://github.com/dotnet/corefx) from 4.1.0 to 4.8.6.
- [Release notes](https://github.com/dotnet/corefx/releases)
- [Commits](https://github.com/dotnet/corefx/commits)

---
updated-dependencies:
- dependency-name: System.Data.SqlClient
  dependency-type: direct:production
...

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Author: dependabot[bot]

samples/features/json/todo-app/dotnet-rest-api/dotnet-rest-api.csproj

@@ -26,7 +26,7 @@
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.0.2" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="1.0.2" />
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="1.0.2" />
-    <PackageReference Include="System.Data.SqlClient" Version="4.1.0" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.8.6" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net46' ">