test: add PHP 8.2, 8.3 & 8.4

Author: realodix

.github/workflows/ci.yml

@@ -10,10 +10,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ['8.0', '8.1']
+        php-version: ['8.0', '8.1', '8.2', '8.3']
         stability: [prefer-lowest, prefer-stable]
         include:
-          - php-version: '8.2'
+          - php-version: '8.4'
             flags: "--ignore-platform-req=php"
             stability: prefer-stable