upgraded to batching at 5 per shot

src/main.cpp

@@ -26,7 +26,7 @@ void batched_update(std::shared_ptr<clickhouse::Client> client_ptr, std::string
         spdlog::warn("No users to update");
         return;
     }
-    const size_t batch_size = 1;
+    const size_t batch_size = 5;
     for (size_t base_iteration = 0; base_iteration < current_users.size(); base_iteration += batch_size) {
         std::vector<std::future<void>> futures_for_this_batch;