라이브 예약 표시를 UTC 기준으로 변경

SodaLive/Sources/MyPage/ReservationStatus/GetLiveReservationResponse.swift

@@ -14,6 +14,6 @@ struct GetLiveReservationResponse: Decodable, Hashable {
     let coverImageUrl: String
     let price: Int
     let masterNickname: String
-    let beginDateTime: String
+    let beginDateTimeUtc: String
     let cancelable: Bool
 }