Bump System.Data.SqlClient

Bumps [System.Data.SqlClient](https://github.com/dotnet/corefx) from 4.4.3 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>

tracer/test/test-applications/regression/ServiceBus.Minimal.Rebus/ServiceBus.Minimal.Rebus.csproj

@@ -6,6 +6,6 @@
   <ItemGroup>
     <PackageReference Include="Rebus" Version="6.4.1" />
     <PackageReference Include="Rebus.SqlServer" Version="7.1.7" />
-    <PackageReference Include="System.Data.SqlClient" Version="4.4.3" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.8.6" />
   </ItemGroup>
 </Project>