Excluding symfony-yaml 3.4 on php8.3 tests

Author: oriol.navascuez

.github/workflows/php.yml

@@ -67,7 +67,7 @@ jobs:
           - php: '8.1'
             symfony-yaml: '^3.4'
           - php: '8.3'
-            symfony-yaml: '^4.0'
+            symfony-yaml: '^3.4'
 
     runs-on: ${{ matrix.os }}