IBX-10228: Bumped symfony/* to ^7.3 (#15)

Author: adamwojs

composer.json

@@ -8,12 +8,12 @@
     "require": {
         "php": ">=8.3",
         "ibexa/core": "~5.0.x-dev",
-        "symfony/config": "^7.2",
-        "symfony/dependency-injection": "^7.2",
-        "symfony/event-dispatcher": "^7.2",
-        "symfony/http-foundation": "^7.2",
-        "symfony/http-kernel": "^7.2",
-        "symfony/yaml": "^7.2"
+        "symfony/config": "^7.3",
+        "symfony/dependency-injection": "^7.3",
+        "symfony/event-dispatcher": "^7.3",
+        "symfony/http-foundation": "^7.3",
+        "symfony/http-kernel": "^7.3",
+        "symfony/yaml": "^7.3"
     },
     "require-dev": {
         "ibexa/behat": "~5.0.x-dev",