I have to change my credit card for pymnt apple tv

Change the payment method for your Apple ID account.

First add the new card, then remove the former after that. (It may not work the other way around, if you have subscriptions.)

Change, add, or remove Apple ID payment methods - Apple Support

First add the new card, then remove the former after that.

For a new card on the same credit card account, you may be able to just edit the card expiry date and CVC code.