Draft: Host debuginfod.archlinux.org on the geo mirrors

This should provide better download speeds outside of Europe and have plenty of CPU cores for enabling gzip compression of debuginfo files.

group_vars/all/geo.yml

 geo_acme_dns_challenge_ns: redirect.archlinux.org
 geo_domains:
   - geo.mirror.pkgbuild.com
+  - debuginfod.archlinux.org
 geo_health_check_paths:
   geo.mirror.pkgbuild.com: /lastupdate
+  debuginfod.archlinux.org: /packages