If the issue is the OpenPGP key expired, then you need to update the ports keyring package to the new version: https://deb.debian.org/debian-ports/pool/main/d/

If the issue is the OpenPGP key expired, then you need to update the ports keyring package to the new version: https://deb.debian.org/debian-ports/pool/main/d/debian-ports-archive-keyring/debian-ports-archive-keyring_2023.02.01_all.deb https://deb.debian.org/debian-ports/pool/main/d/debian-ports...