Fix: ReservationRequest prfTitle 추가

Author: HEEJAERO

src/main/java/com/ticketaka/auth/dto/request/performance/ReservationRequest.java

@@ -10,6 +10,7 @@
 public class ReservationRequest {
     private String memberId;
     private String performanceId;
+    private String prfTitle;
     private String prfPoster;
     private int prfSessionId;
     private int price;