Fix type in AuraList:UpdateAura

Due to a typo AuraTrigger:UpdateAura always received nil as its first
(before) parameter. This parameter is currently unused so it did not
trigger an error.

src/types/auralist.lua

@@ -269,7 +269,7 @@ end
 ---@param aura UnitAuraInfo
 function AuraList:UpdateAura(aura)
     for _, trigger in ipairs(self.triggersBySpell[aura.spellId] or {}) do
-        trigger:UpdateAura(self.auras[aura.auraInstanceId], aura)
+        trigger:UpdateAura(self.auras[aura.auraInstanceID], aura)
     end
     self.auras[aura.auraInstanceID] = aura
 end