Update arcane surge cast speed calc from 10% to 20% for 3.26 patch (#8625)

Author: Ariacell

src/Modules/CalcPerform.lua

@@ -658,7 +658,7 @@ local function doActorMisc(env, actor)
 			modDB.conditions["AffectedByArcaneSurge"] = true
 			local effect = 1 + modDB:Sum("INC", nil, "ArcaneSurgeEffect", "BuffEffectOnSelf") / 100
 			modDB:NewMod("ManaRegen", "INC", (modDB:Max(nil, "ArcaneSurgeManaRegen") or 30) * effect, "Arcane Surge")
-			modDB:NewMod("Speed", "INC", (modDB:Max(nil, "ArcaneSurgeCastSpeed") or 10) * effect, "Arcane Surge", ModFlag.Cast)
+			modDB:NewMod("Speed", "INC", (modDB:Max(nil, "ArcaneSurgeCastSpeed") or 20) * effect, "Arcane Surge", ModFlag.Cast)
 			local arcaneSurgeDamage = modDB:Max(nil, "ArcaneSurgeDamage") or 0
 			if arcaneSurgeDamage ~= 0 then modDB:NewMod("Damage", "MORE", arcaneSurgeDamage * effect, "Arcane Surge", ModFlag.Spell) end
 		end