chore(DB): import pending SQL update file

Referenced commit(s): 852b17117b

data/sql/updates/db_world/2021_02_05_03.sql

@@ -0,0 +1,34 @@
+-- DB update 2021_02_05_02 -> 2021_02_05_03
+DROP PROCEDURE IF EXISTS `updateDb`;
+DELIMITER //
+CREATE PROCEDURE updateDb ()
+proc:BEGIN DECLARE OK VARCHAR(100) DEFAULT 'FALSE';
+SELECT COUNT(*) INTO @COLEXISTS
+FROM information_schema.COLUMNS
+WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'version_db_world' AND COLUMN_NAME = '2021_02_05_02';
+IF @COLEXISTS = 0 THEN LEAVE proc; END IF;
+START TRANSACTION;
+ALTER TABLE version_db_world CHANGE COLUMN 2021_02_05_02 2021_02_05_03 bit;
+SELECT sql_rev INTO OK FROM version_db_world WHERE sql_rev = '1612360387230427830'; IF OK <> 'FALSE' THEN LEAVE proc; END IF;
+--
+-- START UPDATING QUERIES
+--
+
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1612360387230427830');
+
+-- Fix DK quest: The Plaguebringer's Request
+
+UPDATE `gameobject` SET `spawntimesecs`=2 WHERE `guid` IN
+(
+66377,  -- Empty Cauldron
+66378   -- Iron Chain
+);
+
+--
+-- END UPDATING QUERIES
+--
+COMMIT;
+END //
+DELIMITER ;
+CALL updateDb();
+DROP PROCEDURE IF EXISTS `updateDb`;