chore(DB): import pending SQL update file

Referenced commit(s): 4046fe2282

data/sql/updates/db_auth/2021_05_30_00.sql

@@ -0,0 +1,29 @@
+-- DB update 2021_05_26_00 -> 2021_05_30_00
+DROP PROCEDURE IF EXISTS `updateDb`;
+DELIMITER //
+CREATE PROCEDURE updateDb ()
+proc:BEGIN DECLARE OK VARCHAR(100) DEFAULT 'FALSE';
+SELECT date INTO @COLEXISTS
+FROM version_db_auth
+ORDER BY date DESC LIMIT 1;
+IF @COLEXISTS <> '2021_05_26_00' THEN LEAVE proc; END IF;
+START TRANSACTION;
+SELECT sql_rev INTO OK FROM version_db_auth WHERE sql_rev = '1621715473238990700'; IF OK <> 'FALSE' THEN LEAVE proc; END IF;
+--
+-- START UPDATING QUERIES
+--
+
+INSERT INTO `version_db_auth` (`sql_rev`) VALUES ('1621715473238990700');
+
+ALTER TABLE `version_db_auth`
+	ADD COLUMN `date` VARCHAR(50) NULL DEFAULT NULL COLLATE 'utf8mb4_general_ci' AFTER `required_rev`;
+
+--
+-- END UPDATING QUERIES
+--
+UPDATE version_db_auth SET date = '2021_05_30_00' WHERE sql_rev = '1621715473238990700';
+COMMIT;
+END //
+DELIMITER ;
+CALL updateDb();
+DROP PROCEDURE IF EXISTS `updateDb`;