Fix DB Migration updates for playerbots_dungeon_suggestion_definition table

sql/playerbots/updates/pending_db_playerbots/rev_1651613158228212658.sql

@@ -51,6 +51,7 @@ INSERT INTO `playerbots_text` VALUES
 (NULL, 'suggest_dungeon', 'Full %dungeon run?'),
 (NULL, 'suggest_dungeon_role', 'Who can take %role to %dungeon?');
 
+DROP TABLE IF EXISTS `playerbots_dungeon_suggestion_definition`;
 CREATE TABLE `playerbots_dungeon_suggestion_definition` (
     `id`         TINYINT(3)   NOT NULL AUTO_INCREMENT UNIQUE,
     `slug`       VARCHAR(255) NOT NULL,