Manually update SqlClient in TestService

The version bump from 4.8.6 to 4.9.0 is required for
Microsoft.Windows.Compatibility 8.0.17

Author: SeeminglyScience

test/tools/TestService/TestService.csproj

@@ -19,7 +19,7 @@
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="8.0.1" />
     <PackageReference Include="System.Data.Odbc" Version="8.0.1" />
     <PackageReference Include="System.Data.OleDb" Version="8.0.1" />
-    <PackageReference Include="System.Data.SqlClient" Version="4.8.6" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.9.0" />
     <PackageReference Include="System.Diagnostics.EventLog" Version="8.0.2" />
     <PackageReference Include="System.Diagnostics.PerformanceCounter" Version="8.0.1" />
     <PackageReference Include="System.DirectoryServices.AccountManagement" Version="8.0.1" />