Bump System.Data.SqlClient

Bumps [System.Data.SqlClient](https://github.com/dotnet/corefx) from 4.6.0 to 4.8.5.
- [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/features/sql-management-objects/src/SmoSamples.csproj

@@ -18,7 +18,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Data.SqlClient" Version="4.6.0" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.8.5" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.0.1" />
     <PackageReference Include="Microsoft.SqlServer.SqlManagementObjects" Version="150.18118.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="1.4.0" />