upgrade magento 2.4
php bin/magento maintenance:enable composer require magento/product-community-edition=2.4.0 --no-update composer update php bin/magento setup:upgrade php bin/magento setup:di:compile php bin/magento setup:static-content:deploy -f rm -rf var/cache/* rm -rf var/page_cache/* rm -rf generated/code/* php bin/magento cache:clean php bin/magento cache:flush