feat: update plugin to spigot 1.21.1

src/main/java/dev/rawleenc/mineclass/utils/ApplyClassStatusTask.java

@@ -0,0 +1,21 @@
+package dev.rawleenc.mineclass.utils;
+
+import dev.rawleenc.mineclass.classes.MineClassFactory;
+import org.bukkit.entity.Player;
+import org.bukkit.scheduler.BukkitRunnable;
+
+public class ApplyClassStatusTask extends BukkitRunnable {
+
+  private final Player player;
+
+  public ApplyClassStatusTask(Player player) {
+    this.player = player;
+  }
+
+  @Override
+  public void run() {
+    MineClassFactory.getInstance()
+        .getRightClass(player)
+        .ifPresent(mineClass -> mineClass.reapplyEffects(player));
+  }
+}