hotfix: transactions 테이블 구조에 맞춰서 쿼리 변경

src/repositories/myRepository.js

@@ -37,8 +37,8 @@ const myRepository = {
   async getCombinationIdByTransactionId(transactionId) {
     const query = `
       SELECT combination_id
-      FROM pcregister_transection
-      WHERE transaction_id = $1
+      FROM transactions
+      WHERE id = $1
     `;
     const values = [transactionId];
     const { rows } = await pool.query(query, values);