IBX-8471: Upgraded codebase to Symfony 7 (#7)

* [Composer] Bumped Symfony packages requirements to ^7.2

Author: adamwojs

composer.json

@@ -10,13 +10,13 @@
     "require": {
         "php": ">=8.3",
         "ibexa/core": "~5.0.x-dev",
-        "symfony/config": "^6.4",
-        "symfony/dependency-injection": "^6.4",
-        "symfony/event-dispatcher": "^6.4",
+        "symfony/config": "^7.2",
+        "symfony/dependency-injection": "^7.2",
+        "symfony/event-dispatcher": "^7.2",
         "symfony/event-dispatcher-contracts": "^2.2",
-        "symfony/http-foundation": "^6.4",
-        "symfony/http-kernel": "^6.4",
-        "symfony/yaml": "^6.4"
+        "symfony/http-foundation": "^7.2",
+        "symfony/http-kernel": "^7.2",
+        "symfony/yaml": "^7.2"
     },
     "require-dev": {
         "ibexa/behat": "~5.0.x-dev",