There is no spring to retract the front brake pad pistons as there is on the rear brake shoes. So some slight contact and light noise would be expected. I notice mine doing it with the engine off and me moving it around in the garage.

If yours is noticeable when you are moving under power, the pistons may be rusty and not retracting sufficiently.

 

If you have a lift you can raise the bike with, take a piece of lets say 400 grit emery cloth and lightly sand the disc while spinning the wheel. The point here is to remove the glaze (shine) from the disc on both sides. Also cheap replacement pads excelerate this glazing. Now the next thing to check is making sure the caliper slides are clean, smooth, and lightly lubricated so they work correctly. There are more steps to this problem, but these generally fix the squeaks.

 

Usually you get a squeak from cheap pads. They often don't have the backing plate like EBC and other premium pads. The sqeak comes from the backside of the pad where it contacts the caliper piston and caliper. Brake quiet spray works on cars but not often on bikes.
Take the pads out and clean everything real good. Use some white lube on the slide and spring area and see how it works. Otherwise I'd just replace the pads with some EBCs.