Remove pip and ensurepip from the core, modules, and guard runtime images - #482

buildx bake failed with: failed to solve: process "/bin/sh -c composer config --no-interaction allow-plugins.composer/installers true\n composer install\n\n if [ \"${CORE_FLAVOR}\" = \"slim\" ]; then\n :\n else\n composer require --with-all-dependencies --no-interaction \\\n elasticsearch/elasticsearch:^8.7.0 \\\n jakub-onderka/openid-connect-php:^1.0.0 \\\n certmichelin/openid-connect-php:1.3.0 \\\n phpseclib/phpseclib:^3.0.47 \\\n aws/aws-sdk-php\n fi\n" did not complete successfully: exit code: 2