Update CI to support PHP 8.4 and include PHP 8.3 in old_stable

The continuous integration workflow now supports PHP 8.4 as the current stable version. PHP 8.3 has been moved to the old_stable versions list to ensure compatibility continues with earlier versions.

Author: koriym

.github/workflows/continuous-integration.yml

@@ -9,6 +9,6 @@ jobs:
   ci:
     uses: ray-di/.github/.github/workflows/continuous-integration.yml@v1
     with:
-      old_stable: '["7.2", "7.3", "7.4", "8.0", "8.1", "8.2"]'
-      current_stable: 8.3
+      old_stable: '["7.2", "7.3", "7.4", "8.0", "8.1", "8.2", "8.3"]'
+      current_stable: 8.4
       script: demo/run.php