chore: Bump minimum Symfony version to 6.4 (#14)

Author: theofidry

composer.json

@@ -14,15 +14,15 @@
     ],
     "require": {
         "php": "^8.1",
-        "symfony/filesystem": "^6.3 || ^7.0",
+        "symfony/filesystem": "^6.4 || ^7.0",
         "thecodingmachine/safe": "^2.0"
     },
     "require-dev": {
         "bamarni/composer-bin-plugin": "^1.4",
         "ergebnis/composer-normalize": "^2.28",
         "infection/infection": ">=0.26",
         "phpunit/phpunit": "^10.3",
-        "symfony/finder": "^6.3 || ^7.0"
+        "symfony/finder": "^6.4 || ^7.0"
     },
     "prefer-stable": true,
     "autoload": {