Drop Symfony 4 support, add 7

composer.json

@@ -13,22 +13,22 @@
     ],
     "require": {
         "php": ">=8.1",
-        "symfony/config": "^4.4 || ^5.4 || ^6.2",
-        "symfony/console": "^4.4 || ^5.4 || ^6.2",
-        "symfony/dependency-injection": "^4.4 || ^5.4 || ^6.2",
-        "symfony/filesystem": "^4.4 || ^5.4 || ^6.2",
-        "symfony/finder": "^4.4 || ^5.4 || ^6.2",
-        "symfony/form": "^4.4 || ^5.4 || ^6.2",
-        "symfony/framework-bundle": "^4.4 || ^5.4 || ^6.2",
-        "symfony/http-foundation": "^4.4 || ^5.4 || ^6.2",
-        "symfony/http-kernel": "^4.4 || ^5.4 || ^6.2",
-        "symfony/options-resolver": "^4.4 || ^5.4 || ^6.2",
-        "symfony/process": "^4.4 || ^5.4 || ^6.2",
+        "symfony/config": "^5.4 || ^6.2 || ^7.1",
+        "symfony/console": "^5.4 || ^6.2 || ^7.1",
+        "symfony/dependency-injection": "^5.4 || ^6.2 || ^7.1",
+        "symfony/filesystem": "^5.4 || ^6.2 || ^7.1",
+        "symfony/finder": "^5.4 || ^6.2 || ^7.1",
+        "symfony/form": "^5.4 || ^6.2 || ^7.1",
+        "symfony/framework-bundle": "^5.4 || ^6.2 || ^7.1",
+        "symfony/http-foundation": "^5.4 || ^6.2 || ^7.1",
+        "symfony/http-kernel": "^5.4 || ^6.2 || ^7.1",
+        "symfony/options-resolver": "^5.4 || ^6.2 || ^7.1",
+        "symfony/process": "^5.4 || ^6.2 || ^7.1",
         "twig/twig": "^2.15 || ^3.0"
     },
     "require-dev": {
-        "symfony/string": "^4.4 || ^5.4 || ^6.2",
-        "symfony/lock": "^4.4 || ^5.4 || ^6.2",
+        "symfony/string": "^5.4 || ^6.2 || ^7.1",
+        "symfony/lock": "^5.4 || ^6.2 || ^7.1",
         "phpunit/phpunit": "^9.5"
     },
     "suggest": {