Drop old versions of PHP and Symfony (#983)

* Drop old versions

* Bump sonataAdmin

Author: VincentLanglet

composer.json

@@ -21,23 +21,23 @@
     ],
     "homepage": "https://docs.sonata-project.org/projects/SonataClassificationBundle",
     "require": {
-        "php": "^8.0",
+        "php": "^8.1",
         "cocur/slugify": "^4.0",
         "doctrine/collections": "^1.6 || ^2.0",
         "doctrine/persistence": "^3.0.2",
         "sonata-project/doctrine-extensions": "^1.13 || ^2.0",
         "sonata-project/form-extensions": "^1.4 || ^2.0",
-        "symfony/config": "^5.4 || ^6.2 || ^7.0",
-        "symfony/console": "^5.4 || ^6.2 || ^7.0",
-        "symfony/dependency-injection": "^5.4 || ^6.2 || ^7.0",
-        "symfony/form": "^5.4 || ^6.2 || ^7.0",
-        "symfony/framework-bundle": "^5.4 || ^6.2 || ^7.0",
-        "symfony/http-foundation": "^5.4 || ^6.2 || ^7.0",
-        "symfony/http-kernel": "^5.4 || ^6.2 || ^7.0",
-        "symfony/options-resolver": "^5.4 || ^6.2 || ^7.0",
-        "symfony/routing": "^5.4 || ^6.2 || ^7.0",
-        "symfony/translation": "^5.4 || ^6.2 || ^7.0",
-        "symfony/validator": "^5.4 || ^6.2 || ^7.0",
+        "symfony/config": "^6.4 || ^7.1",
+        "symfony/console": "^6.4 || ^7.1",
+        "symfony/dependency-injection": "^6.4 || ^7.1",
+        "symfony/form": "^6.4 || ^7.1",
+        "symfony/framework-bundle": "^6.4 || ^7.1",
+        "symfony/http-foundation": "^6.4 || ^7.1",
+        "symfony/http-kernel": "^6.4 || ^7.1",
+        "symfony/options-resolver": "^6.4 || ^7.1",
+        "symfony/routing": "^6.4 || ^7.1",
+        "symfony/translation": "^6.4 || ^7.1",
+        "symfony/validator": "^6.4 || ^7.1",
         "twig/twig": "^3.0"
     },
     "require-dev": {
@@ -61,17 +61,17 @@
         "psalm/plugin-phpunit": "^0.18",
         "psalm/plugin-symfony": "^5.0",
         "rector/rector": "^1.1",
-        "sonata-project/admin-bundle": "^4.28",
+        "sonata-project/admin-bundle": "^4.34",
         "sonata-project/block-bundle": "^4.11 || ^5.0",
         "sonata-project/doctrine-orm-admin-bundle": "^4.0",
-        "symfony/asset": "^5.4 || ^6.2 || ^7.0",
-        "symfony/browser-kit": "^5.4 || ^6.2 || ^7.0",
-        "symfony/filesystem": "^5.4 || ^6.2 || ^7.0",
-        "symfony/phpunit-bridge": "^6.2 || ^7.0",
-        "symfony/security-bundle": "^5.4 || ^6.2 || ^7.0",
-        "symfony/security-csrf": "^5.4 || ^6.2 || ^7.0",
-        "symfony/twig-bundle": "^5.4 || ^6.2 || ^7.0",
-        "symfony/yaml": "^5.4 || ^6.2 || ^7.0",
+        "symfony/asset": "^6.4 || ^7.1",
+        "symfony/browser-kit": "^6.4 || ^7.1",
+        "symfony/filesystem": "^6.4 || ^7.1",
+        "symfony/phpunit-bridge": "^6.4 || ^7.1",
+        "symfony/security-bundle": "^6.4 || ^7.1",
+        "symfony/security-csrf": "^6.4 || ^7.1",
+        "symfony/twig-bundle": "^6.4 || ^7.1",
+        "symfony/yaml": "^6.4 || ^7.1",
         "vimeo/psalm": "^5.0"
     },
     "conflict": {