I don’t believe anything has been said about this but there’s a thread on spending from pots currently with 97 votes (remember to add your own): ✅ Debit card pot to pay from / spend from pots / pay from pot (Monzo Plus Virtual Card)
This is possible in IFTTT, please take a look at the following threadys where saving or withdrawing from pots based on a merchant or category has been discussed multiple times: