schedule check for folia 1.20.4+

src/main/java/me/xginko/villageroptimizer/modules/VillagerChunkLimit.java

@@ -133,6 +133,7 @@ public class VillagerChunkLimit extends VillagerOptimizerModule implements Runna
     }
 
     private void manageVillagerCount(@NotNull Chunk chunk) {
+        scheduling.regionSpecificScheduler(chunk.getWorld(), chunk.getX(), chunk.getZ()).run(() -> {
             // Collect all optimized and unoptimized villagers in that chunk
             List<Villager> optimized_villagers = new ArrayList<>();
             List<Villager> not_optimized_villagers = new ArrayList<>();
@@ -186,5 +187,6 @@ public class VillagerChunkLimit extends VillagerOptimizerModule implements Runna
                     }, null);
                 }
             }
+        });
     }
 }