build: min symfony version is 5.4

Author: Gemorroj

composer.json

@@ -11,7 +11,7 @@
     ],
     "require": {
         "php": ">=8.0",
-        "symfony/process": "^5.0||^6.0"
+        "symfony/process": "^5.4||^6.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5.28",