refactor: 기존 dto 변수명과 통일

Author: hyxklee

src/main/java/leets/weeth/domain/account/application/dto/ReceiptDTO.java

@@ -15,7 +15,7 @@ public record Response(
         String description,
         Integer amount,
         LocalDate date,
-        List<FileResponse> files
+        List<FileResponse> fileUrls
     ) {}
 
     public record Save(

src/main/java/leets/weeth/domain/board/application/dto/NoticeDTO.java

@@ -25,7 +25,7 @@ public record Save(
     public record Update(
             @NotNull String title,
             @NotNull String content,
-            @Valid List<@NotNull FileUpdateRequest> files
+            @Valid List<@NotNull FileUpdateRequest> fileUrls
     ) {
     }
 

src/main/java/leets/weeth/domain/board/application/dto/PostDTO.java

@@ -24,7 +24,7 @@ public record Save(
     public record Update(
             @NotNull String title,
             @NotNull String content,
-            @Valid List<@NotNull FileUpdateRequest> files
+            @Valid List<@NotNull FileUpdateRequest> fileUrls
     ){}
 
     @Builder