quando vou testat meu codigo no Packagist, aparece esse erro:

meu composer está assim: { "name": "alainevidal/buscador-cursos", "description": "Projeto que busca os cursos no site da Alura", "version": "1.0.0", "license": "MIT", "type": "library", "authors": [ { "name": "Alaine", "email": "alainevidal2806@gmail.com" } ], "require": { "guzzlehttp/guzzle": "^7.9", "symfony/dom-crawler": "^7.2.0", "symfony/css-selector": "^7.2" }, "autoload": { "files": ["./functions.php"], "psr-4": { "Alainevidal\BuscadorCursos\": "src/" } }, "require-dev": { "phpunit/phpunit": "^11.5", "squizlabs/php_codesniffer": "^3.11", "phan/phan": "^5.4" }, "scripts": { "test": "php src/Buscador.php", "cs": "phpcs --standard=PSR12 src/", "phan": "phan --allow-polyfill-parser", "check": [ "@phan", "@cs", "@test" ], "post-update-cmd": [ "@test" ] }, "scripts-descriptions": { "check": "Roda as verificações do código. PHAN, PHPCS e PHPUNIT" }, "bin": ["buscar-cursos.php"] }