Update player.lua

Fix for non-existent `variables` field in `ESX.PlayerData`

[core]/es_extended/server/classes/player.lua

@@ -199,6 +199,8 @@ function CreateExtendedPlayer(playerId, identifier, group, accounts, inventory,
     ---@return nil
     function self.set(k, v)
         self.variables[k] = v
+        
+        self.triggerEvent('esx:updatePlayerData', 'variables', self.variables)
     end
 
     ---@param k string
@@ -968,4 +970,4 @@ local function runStaticPlayerMethod(src, method, ...)
 
     return xPlayer[method](...)
 end
-exports("RunStaticPlayerMethod", runStaticPlayerMethod)
+exports("RunStaticPlayerMethod", runStaticPlayerMethod)