setup-php v1 supports only PHP 5.6 to 8.0. Please upgrade to v2 - https://setup-php.com/w/Switch-to-v2

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: shivammathur/setup-php@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: shivammathur/setup-php@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/