Test on PHP 8.3 and 8.4

Author: abraham

.github/workflows/test.yaml

@@ -6,7 +6,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ['8.1', '8.2']
+        php-versions: ['8.1', '8.2', '8.3', '8.4']
     name: PHP ${{ matrix.php-versions }}
     steps:
       - uses: actions/checkout@v4