읽기 메소드 트랜잭션 설정 수정

src/main/java/cokr/xit/foundation/boot/AbstractTransaction.java

@@ -38,7 +38,7 @@ public class AbstractTransaction {
 
 	protected TransactionInterceptor txAdvice() {
 		RuleBasedTransactionAttribute read = new RuleBasedTransactionAttribute(
-			TransactionDefinition.PROPAGATION_REQUIRED,
+			TransactionDefinition.PROPAGATION_SUPPORTS,
 			List.of(new RollbackRuleAttribute(Throwable.class))
 		);
 		read.setReadOnly(true);