As the end of the holiday year approaches, many UK workers are gearing up for the long pre-Christmas stint without any additional days off left. Taking one or two longer breaks back in the early summer months might have seemed like a good idea at the time, but if it has left you without the option of any three-day weekends, (essential for ticking off your entire Christmas shopping list in one go), then you might want to be a bit more tactical with how you spend your annual leave next year.…