chore: add support to php8.4

Signed-off-by: Vitor Mattos <vitor@php.rio>

Author: vitormattos

.github/workflows/behat.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ['8.1', '8.2', '8.3']
+        php-versions: ['8.1', '8.2', '8.3', '8.4']
 
     name: php${{ matrix.php-versions }}