DB/BWD: allow Chimaeron to swim since his puddle now uses liquid pathfinding data

sql/updates/world/4.3.4/2022_01_09_02_world.sql

@@ -0,0 +1 @@
+UPDATE `creature_template_movement` SET `Swim`= 1 WHERE `CreatureID` IN (43296, 47774, 47775, 47776);