Update samples/connection-string-mssql/EntityFrameworkCoreProject/EntityFrameworkCoreProject.csproj

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: JerrettDavis

samples/connection-string-mssql/EntityFrameworkCoreProject/EntityFrameworkCoreProject.csproj

@@ -28,6 +28,7 @@
     <!-- EF Core SQL Server provider -->
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="10.0.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="10.0.1" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="10.0.1" />
   </ItemGroup>
 
   <PropertyGroup>