Replace debuginfo backend infra with el10 machines
# CentOS Infra issue/request
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## Issue Type
* [] Issue - problem with something that was working
* [] Feature Request - something you'd like us to add/modify/change
* [x] Task - mostly used by CentOS Infra team for day-to-day operations or bigger plans
## Description
The backend nodes behind debuginfo.centos.org are still all el8 based.
We should just make it a proper CDN, replace one by one each origin server with el10
issue