Build failure due to Composer changes

Recent builds failing with:

#19 ERROR: process "/bin/sh -c /stage ${wp_version}" did not complete successfully: exit code: 1
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 > [fastcgi 5/10] RUN --mount=type=bind,source=scripts/install-wp.sh,target=/stage     /stage 5.8.1:
#19 17.80   composer/installers contains a Composer plugin which is blocked by your all  
#19 17.80   ow-plugins config. You may add it to the list if you consider it safe.       
#19 17.80   You can run "composer config --no-plugins allow-plugins.composer/installers  
#19 17.80    [true|false]" to enable it (true) or disable it explicitly and suppress th  
#19 17.80   is exception (false)                                                         
#19 17.80   See https://getcomposer.org/allow-plugins                                    
#19 17.80                                                                                
#19 17.80 
#19 17.81 install [--prefer-source] [--prefer-dist] [--prefer-install PREFER-INSTALL] [--dry-run] [--dev] [--no-suggest] [--no-dev] [--no-autoloader] [--no-progress] [--no-install] [--audit] [--audit-format AUDIT-FORMAT] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--apcu-autoloader] [--apcu-autoloader-prefix APCU-AUTOLOADER-PREFIX] [--ignore-platform-req IGNORE-PLATFORM-REQ] [--ignore-platform-reqs] [--] [<packages>...]