[Packaging] Drop support for CentOS Stream 8

[kou]

Describe the enhancement requested

It reached EOL on May 31, 2024:

https://blog.centos.org/2023/04/end-dates-are-coming-for-centos-stream-8-and-centos-linux-7/

Component(s)

Packaging

[kou]

Issue resolved by pull request 46953
#46953