Fix speed argument type in SpeedCommand

Change speed argument type from double to int for consistent handling. This ensures the speed value is correctly divided and applied to entities.

src/main/java/net/thenextlvl/tweaks/command/player/SpeedCommand.java

@@ -120,7 +120,7 @@ private int reset(CommandContext<CommandSourceStack> context, SpeedType type, Li
 
     private int speed(CommandContext<CommandSourceStack> context, SpeedType type, List<Entity> entities) {
         var sender = context.getSource().getSender();
-        var speed = context.getArgument("speed", double.class) / 10d;
+        var speed = context.getArgument("speed", int.class) / 10d;
 
         entities.removeIf(entity -> !(entity instanceof Attributable));
         entities.forEach(entity -> {