Core/Spells: fixed damage formula for bear form's Maul

sql/updates/world/4.3.4/2021_08_29_00_world.sql

@@ -0,0 +1,3 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName`= 'spell_dru_maul';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(6807, 'spell_dru_maul');