[iOS] Make Monzo Plus visible under Payments/Scheduled

[Ordog]

@Treasuretrove

The amount I put in my bills pot every month is determined by what is in there.

This has been suggested before. Vote for it in the below topic

Monzo Plus - Pay monthly subscription from Pot

In the expectation that virtual cards will in the future be able to be tied to a pot. It would be good if my subscription to Monzo Plus could be paid from a pot, so that all sich things can be kept organised to one pot.