Update install package role for el8
The role was built on CentOS 7, so there are some modifications needed if we want to run on el8 system.
Gitlab has been upgraded from 17.11.7 to 18.2.8. See the following release notes: - Gitlab 18.0 - Gitlab 18.1 - Gitlab 18.2
The role was built on CentOS 7, so there are some modifications needed if we want to run on el8 system.