fix: starts_with에 사소한 오류가 있어보임

- 이유는 잘 모르겠지만 starts_with($this->destNation['name'], 'ⓤ')

hwe/sammo/Constraint/AllowJoinDestNation.php

@@ -50,7 +50,7 @@ class AllowJoinDestNation extends Constraint{
             return false;
         }
 
-        if($this->general['npc']??2 < 2 && \sammo\Util::starts_with($this->destNation['name'], 'ⓤ')){
+        if($this->general['npc']??2 < 2 && \str_starts_with($this->destNation['name'], 'ⓤ')){
             $this->reason = "유저장은 태수국에 임관할 수 없습니다.";
             return false;
         }

vendor/brandonwamboldt/utilphp/src/utilphp/util.php

@@ -1000,7 +1000,7 @@ class util
      */
     public static function starts_with($string, $starts_with)
     {
-        return strpos($string, $starts_with) === 0;
+        return str_starts_with($string, $starts_with);
     }
 
     /**