fix(DB/Services): Brown Kodo should be replaced with Unpainted Mechan… (#13813)

...ostrider using Faction Change service.

data/sql/updates/pending_db_world/rev_1668373615309394400.sql

@@ -0,0 +1,4 @@
+--
+DELETE FROM `player_factionchange_spells` WHERE `alliance_id`=17454;
+INSERT INTO `player_factionchange_spells` VALUES
+(17454,'Unpainted Mechanostrider',18990,'Brown Kodo');