fix: shared, not unique

not sure how this happened

src/main/client_context.cpp

@@ -320,7 +320,7 @@ shared_ptr<PreparedStatementData> ClientContext::CreatePreparedStatement(ClientC
 		}
 	}
 
-	client_data->http_state = make_uniq<HTTPState>();
+	client_data->http_state = make_shared<HTTPState>();
 	planner.CreatePlan(std::move(statement));
 	D_ASSERT(planner.plan || !planner.properties.bound_all_parameters);
 	profiler.EndPhase();