Enhance C_Timer documentation by adding optional repetitions parameter to NewTimer function

C_Timer.lua

@@ -14,8 +14,9 @@ C_Timer = {
 	---Schedules a timer that can be canceled.
 	---@param seconds number
 	---@param callback function
+	---@param repetitions number?
 	---@return Timer
-	NewTimer = function(seconds, callback) end,
+	NewTimer = function(seconds, callback, repetitions) end,
 
 	---Schedules a repeating timer that can be canceled.
 	---@param seconds number