fix: symfony/yaml is a required dependency (#983)

Author: mbabker

composer.json

@@ -23,7 +23,8 @@
         "symfony/event-dispatcher": "^4.4.20||^5.0.11||^6.0||^7.0||^8.0",
         "symfony/http-kernel": "^4.4.20||^5.0.11||^6.0||^7.0||^8.0",
         "symfony/polyfill-php80": "^1.22",
-        "symfony/psr-http-message-bridge": "^1.2||^2.0||^6.4||^7.0||^8.0"
+        "symfony/psr-http-message-bridge": "^1.2||^2.0||^6.4||^7.0||^8.0",
+        "symfony/yaml": "^4.4.20||^5.0.11||^6.0||^7.0||^8.0"
     },
     "require-dev": {
         "doctrine/dbal": "^2.13||^3.3||^4.0",
@@ -47,7 +48,6 @@
         "symfony/security-core": "^4.4.20||^5.0.11||^6.0||^7.0||^8.0",
         "symfony/security-http": "^4.4.20||^5.0.11||^6.0||^7.0||^8.0",
         "symfony/twig-bundle": "^4.4.20||^5.0.11||^6.0||^7.0||^8.0",
-        "symfony/yaml": "^4.4.20||^5.0.11||^6.0||^7.0||^8.0",
         "vimeo/psalm": "^4.3||^5.16.0"
     },
     "suggest": {