Bump System.Data.SqlClient in /CommandLine/CodeConv.NetFramework

Bumps [System.Data.SqlClient](https://github.com/dotnet/corefx) from 4.8.5 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]

CommandLine/CodeConv.NetFramework/CodeConv.NetFramework.csproj

@@ -18,7 +18,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Threading" Version="16.10.56" />
     <PackageReference Include="NuGet.Build.Tasks" Version="5.4.0" />
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="4.7.0" />
-    <PackageReference Include="System.Data.SqlClient" Version="4.8.5" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.8.6" />
     <PackageReference Include="System.Memory" Version="4.5.5" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />