fix(CORE): Increase C'Thun Dark Glare spell timer (#1754)

C'Thun's Dark Glare spell is now cast about 4 seconds after C'Thun turns red instead of 1 second.

src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_cthun.cpp

@@ -296,7 +296,7 @@ public:
                         {
                             //Face our target
                             DarkGlareAngle = me->GetAngle(target);
-                            DarkGlareTickTimer = 1000;
+                            DarkGlareTickTimer = 4000;
                             DarkGlareTick = 0;
                             ClockWise = RAND(true, false);
                         }