Fix usage of onMethod

src/main/java/emu/grasscutter/data/excels/dungeon/DungeonData.java

@@ -13,7 +13,7 @@ import lombok.Getter;
 @ResourceType(name = "DungeonExcelConfigData.json")
 public class DungeonData extends GameResource {
 
-    @Getter(onMethod = @__(@Override))
+    @Getter(onMethod_ = @Override)
     private int id;
 
     @Getter private int sceneId;

src/main/java/emu/grasscutter/data/excels/trial/TrialAvatarActivityDataData.java

@@ -12,7 +12,7 @@ import lombok.experimental.FieldDefaults;
 @Data
 @FieldDefaults(level = AccessLevel.PRIVATE)
 public class TrialAvatarActivityDataData extends GameResource {
-    @Getter(onMethod = @__(@Override))
+    @Getter(onMethod_ = @Override)
     private int id;
 
     private int trialAvatarIndexId;