Make php-ide-mode track what it activated, and protect the alists behind its :safe checks - #827

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: emacs-eask/setup-eask@master. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/