update rhel8 os package

[ErikJiang]

What type of PR is this?

/kind bug

What this PR does / why we need it:

https://github.com/kubean-io/kubean/actions/runs/9480615036/job/26121701297

> [linux/amd64 os-redhat8 2/7] RUN ARCH=$(uname -m)     && dnf --disablerepo '*' --enablerepo=extras swap centos-linux-repos centos-stream-repos -y     && dnf distro-sync -y     && dnf install -q -y yum-utils createrepo epel-release wget     && dnf install -q -y [http://mirror.centos.org/centos/8-stream/AppStream/${ARCH}/os/Packages/modulemd-tools-0.7-6.el8.noarch.rpm](http://mirror.centos.org/centos/8-stream/AppStream/$%7BARCH%7D/os/Packages/modulemd-tools-0.7-6.el8.noarch.rpm)     && yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo     && dnf makecache:
0.768 CentOS Linux 8 - Extras                          18 kB/s | 7.9 kB     00:00    
0.769 Errors during downloading metadata for repository 'extras':
0.769   - Status code: 404 for http://mirror.centos.org/centos/8/extras/x86_64/os/repodata/repomd.xml (IP: 65.181.111.3)
0.771 Error: Failed to download metadata for repo 'extras': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried

The majority of the yum repos in the centos:8 image have been deprecated and can no longer provide support for building OS packages. At the moment, rockylinux:8 appears to be a good replacement option to succeed centos:8.

CI Verification Results: https://github.com/ErikJiang/kubean/actions/runs/9496080733/job/26169720371

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer: