chore(DB): import pending files

Referenced commit(s): 2a1d706a2f

data/sql/updates/db_world/2023_05_12_03.sql

@@ -0,0 +1,8 @@
+-- DB update 2023_05_12_02 -> 2023_05_12_03
+--
+UPDATE `creature_template` SET `AiName`='', `ScriptName`='npc_underbat' WHERE `entry`=17724;
+DELETE FROM `smart_scripts` WHERE `entryorguid`=17724 AND `source_type`=0;
+
+DELETE FROM `spelldifficulty_dbc` WHERE `ID`=34171;
+INSERT INTO `spelldifficulty_dbc` VALUES
+(34171,34171,37956,0,0);