chore(DB): import pending files

Referenced commit(s): 656694b383

data/sql/updates/db_world/2025_06_30_00.sql

@@ -0,0 +1,6 @@
+-- DB update 2025_06_29_03 -> 2025_06_30_00
+--
+DELETE FROM `acore_string` WHERE `entry` IN (6617, 6618);
+INSERT INTO `acore_string` (`entry`, `content_default`) VALUES
+(6617, 'GM Spectator is ON'),
+(6618, 'GM Spectator is OFF');