Add PHP version 8.5 to php workflow. - #224

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

74:121 [line-length] line too long (145 > 120 characters)

31:121 [line-length] line too long (123 > 120 characters)