DB/Spells: the normal and instant cast DoT effect of Pyroblast will no longer stack with each other

sql/updates/world/4.3.4/2020_08_23_01_world.sql

@@ -0,0 +1,8 @@
+DELETE FROM `spell_group` WHERE `id`= 1149;
+INSERT INTO `spell_group` (`id`, `spell_id`) VALUES
+(1149, 11366),
+(1149, 92315);
+
+DELETE FROM `spell_group_stack_rules` WHERE `group_id`= 1149;
+INSERT INTO `spell_group_stack_rules` (`group_id`, `stack_rule`) VALUES
+(1149, 2);