I noticed that in c10s, linux-firmware is still on 20240115, which is still on the kernel.org mirrors. On the GitLab however, it uses 20240328 which causes a 404 and is probably causing these builds to fail. I also noticed that the extra packages like "realtek-firmware" aren't being compiled, not sure if this is related.
For those who want to run c10s on real hardware and have instant gratification, I have already compiled some RPMs in a virtual machine. But you should wait for them to be released officially, these can contain who knows what and may be outdated by the time you download them:
https://mega.nz/folder/nRhGiIgS#RUKmzv9aDi2R3xIpR6gRhA
By the way these were built with 20240610's files.
Sorry if this email was bad, this was my first time doing release engineering ;)