chore(DB): import pending files

Referenced commit(s): 53c0500b09

data/sql/updates/db_world/2026_07_15_01.sql

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+-- DB update 2026_07_15_00 -> 2026_07_15_01
+-- Watcher Gashra's Enrage (52470) is a self-buff, but its -50% physical damage
+-- done effect (EFFECT_2) makes the core classify the whole aura as negative,
+-- so it shows as a debuff on the target frame.
+-- Mark all three effects positive (SPELL_ATTR0_CU_POSITIVE_EFF0 | EFF1 | EFF2).
+DELETE FROM `spell_custom_attr` WHERE `spell_id` = 52470;
+INSERT INTO `spell_custom_attr` (`spell_id`, `attributes`) VALUES (52470, 0x0E000000);