Bump System.Data.SqlClient

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
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

samples/demos/belgrade-product-catalog-demo/belgrade-product-catalog-demo.csproj

@@ -38,7 +38,7 @@
     <PackageReference Include="Serilog.Extensions.Logging" Version="2.0.2" />
     <PackageReference Include="Serilog.Sinks.PeriodicBatching" Version="2.1.1" />
     <PackageReference Include="Serilog.Sinks.RollingFile" Version="3.3.0" />
-    <PackageReference Include="System.Data.SqlClient" Version="4.8.5" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.8.6" />
     <PackageReference Include="Serilog.Sinks.MSSqlServer" Version="5.1.3-dev-00224" />
   </ItemGroup>