Update symfony packages to v7

Author: renovate[bot]

composer.json

@@ -26,17 +26,17 @@
     "ext-json": "*",
     "behat/behat": "^3.8",
     "friends-of-behat/symfony-extension": "^2.2",
-    "symfony/dom-crawler": "^5.4|^6.2",
-    "symfony/property-access": "^5.4|^6.2"
+    "symfony/dom-crawler": "7.1.1",
+    "symfony/property-access": "7.1.1"
   },
   "require-dev": {
     "doctrine/orm": "^2.12",
     "friendsofphp/php-cs-fixer": "^3.3",
     "phpunit/phpunit": "^9.5",
     "slope-it/clock-mock": "^0.4.0",
-    "symfony/framework-bundle": "^5.4|^6.2",
-    "symfony/http-client": "^5.4|^6.2",
-    "symfony/mailer": "^5.4|^6.2",
+    "symfony/framework-bundle": "7.1.2",
+    "symfony/http-client": "7.1.2",
+    "symfony/mailer": "7.1.2",
     "vimeo/psalm": "^4.13"
   },
   "config": {