Describe the enhancement requested
#41395 and #41401 discuss dropping support for Centos 7 and Centos Stream 8 (respectively) as they have both gone EOL. Continuing to support each platform was discussed and @kou mentioned that we may be able to keep each packaging job working by migrating to vault.centos.org. This would allow us to continue testing packaging on these two platforms and keep them in the support matrix.
We should update these two Dockerfiles to pull packages from vault.centos.org and evaluate whether this will work for our needs:
Component(s)
Packaging