Improve quest Test of Lore (#4442)

data/sql/updates/pending_db_world/rev_1612441103905701673.sql

@@ -0,0 +1,5 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1612441103905701673');
+
+-- Faster respawn of Beginnings of the Undead Threat
+
+UPDATE `gameobject` SET `spawntimesecs`=2 WHERE `guid`=11901;