Add PHP 8.4 to test matrix

Author: alxsabo

.github/workflows/RavenClient.yml

@@ -13,7 +13,7 @@ jobs:
 
         strategy:
             matrix:
-                php-versions: [ "8.2", "8.3"]
+                php-versions: [ "8.2", "8.3", "8.4"]
                 serverVersion: [ "5.4" ]
             fail-fast: false