Test against php 8.4

Author: sergiy-petrov

.github/workflows/php.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       max-parallel: 2
       matrix:
-        php-versions: ['8.2', '8.3']
+        php-versions: ['8.2', '8.3', '8.4']
 
     name: PHP ${{ matrix.php-versions }}