You may have experienced an error when you tried to run yum update on Almalinux 8.9
The error:
The downloaded packages were saved in cache until the next successful transaction.
You can remove cached packages by executing 'yum clean packages'.
Error: GPG check FAILED
Workaround:
Import the GPG key from the Alamlinux repository
rpm --import https://repo.almalinux.org/almalinux/RPM-GPG-KEY-AlmaLinux