Use concrete types

src/Vegasco.Server.Api/Cars/GetCars.cs

@@ -38,7 +38,7 @@ public static class GetCars
 			.Select(x => new ResponseDto(x.Id.Value, x.Name))
 			.ToListAsync(cancellationToken);
 
-		var response = new ApiResponse
+		ApiResponse response = new ApiResponse
 		{
 			Cars = cars
 		};