IBX-8470: Upgraded dependencies to symfony6 + compatible with it

composer.json

@@ -22,15 +22,15 @@
         "ibexa/fieldtype-richtext": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
         "ibexa/rest": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
         "lexik/jwt-authentication-bundle": "^2.8",
-        "overblog/graphql-bundle": "^0.14.2",
-        "symfony/config": "^5.0",
-        "symfony/console": "^5.0",
-        "symfony/dependency-injection": "^5.0",
-        "symfony/filesystem": "^5.0",
-        "symfony/http-foundation": "^5.0",
-        "symfony/http-kernel": "^5.0",
-        "symfony/serializer": "^5.0",
-        "symfony/yaml": "^5.0"
+        "overblog/graphql-bundle": "^1.6.0",
+        "symfony/config": "^6.4",
+        "symfony/console": "^6.4",
+        "symfony/dependency-injection": "^6.4",
+        "symfony/filesystem": "^6.4",
+        "symfony/http-foundation": "^6.4",
+        "symfony/http-kernel": "^6.4",
+        "symfony/serializer": "^6.4",
+        "symfony/yaml": "^6.4"
     },
     "require-dev": {
         "ibexa/code-style": "~2.0.0",
@@ -42,7 +42,7 @@
         "ibexa/search": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
         "ibexa/user": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
         "mikey179/vfsstream": "^1.6",
-        "overblog/graphiql-bundle": "^0.2",
+        "overblog/graphiql-bundle": "^1.0",
         "phpspec/phpspec": "^7.1",
         "phpstan/phpstan": "^1.10",
         "phpstan/phpstan-phpunit": "^1.3",
@@ -65,9 +65,6 @@
             "spec\\EzSystems\\EzPlatformGraphQL\\": "spec/EzSystems/EzPlatformGraphQL"
         }
     },
-    "conflict": {
-        "webonyx/graphql-php": ">= 15.0.0"
-    },
     "extra": {
         "branch-alias": {
             "dev-main": "5.0.x-dev"