Function closing brace must go on the next line following the body; found 1 blank lines before brace

Error: Command failed: php phpcs.phar --report=checkstyle --standard=phpcs.xml public/index.php src/App.php src/Chat.php src/Client.php src/Config.php src/Server.php

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2, tinovyatkin/action-php-codesniffer@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.