mock-core-configs package is not updated on some builders

[praiskup]

WARNING: '%' must be followed by '%' or '(', found: '%40fedora-llvm-team/llvm-compat-packages/fedora-rawhide-x86_64/'
INFO: Bootstrap image not marked ready
Start(bootstrap): installing dnf tooling
No matches found for the following disable plugin patterns: local, spacewalk, versionlock
Copr repository                                 795 kB/s | 127 kB     00:00    
Additional repo https_download_copr_fedorainfra 3.6 MB/s | 338 kB     00:00    
fedora                                           31 MB/s |  75 MB     00:02    
Package python3-dnf-4.18.2-1.fc40.noarch is already installed.
Dependencies resolved.
================================================================================
 Package                      Arch       Version               Repository  Size
================================================================================
Installing:
 python3-dnf-plugins-core     noarch     4.4.4-3.fc40          fedora     317 k

I checked the config.tar.gz contents, and it seems we are using

$ grep -e package_manager -e releasever\' templates/fedora-rawhide.tpl 
config_opts['releasever'] = '39'
config_opts['package_manager'] = 'dnf'

[praiskup]

This could help:
https://pagure.io/fedora-infra/ansible/c/0d6476a553f46be014de5eed5504a0ff5e1dc05e

[praiskup]

Builder with outdated mock-core-configs shouldn't start now. Should be automatically recycled.

The warning (which actually is a Mock bug in some cases) was fixed by:
rpm-software-management/mock#1311