Correctif ControllerTrait::getSubscribedServices()

composer.json

         "preferred-install": {
             "*": "dist"
         },
-        "sort-packages": true
+        "allow-plugins": {
+            "composer/installers": true,
+            "oomphinc/composer-installers-extender": true,
+            "symfony/flex": true
+        }
     },
     "autoload": {
         "psr-4": {

composer.lock

         },
         {
             "name": "symfony/flex",
-            "version": "v1.16.3",
+            "version": "v1.19.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/flex.git",
-                "reference": "f05406b33681409b83285f4d2ff4efbca7c55b03"
+                "reference": "ab0453b16029e131c112df1a76e59eb2a47e1f67"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/flex/zipball/f05406b33681409b83285f4d2ff4efbca7c55b03",
-                "reference": "f05406b33681409b83285f4d2ff4efbca7c55b03",
+                "url": "https://api.github.com/repos/symfony/flex/zipball/ab0453b16029e131c112df1a76e59eb2a47e1f67",
+                "reference": "ab0453b16029e131c112df1a76e59eb2a47e1f67",
                 "shasum": ""
             },
             "require": {
             },
             "require-dev": {
                 "composer/composer": "^1.0.2|^2.0",
-                "symfony/dotenv": "^4.4|^5.0",
-                "symfony/filesystem": "^4.4|^5.0",
-                "symfony/phpunit-bridge": "^4.4.12|^5.0",
-                "symfony/process": "^3.4|^4.4|^5.0"
+                "symfony/dotenv": "^4.4|^5.0|^6.0",
+                "symfony/filesystem": "^4.4|^5.0|^6.0",
+                "symfony/phpunit-bridge": "^4.4.12|^5.0|^6.0",
+                "symfony/process": "^4.4|^5.0|^6.0"
             },
             "type": "composer-plugin",
             "extra": {
-                "branch-alias": {
-                    "dev-main": "1.16-dev"
-                },
                 "class": "Symfony\\Flex\\Flex"
             },
             "autoload": {
             "description": "Composer plugin for Symfony",
             "support": {
                 "issues": "https://github.com/symfony/flex/issues",
-                "source": "https://github.com/symfony/flex/tree/v1.16.3"
+                "source": "https://github.com/symfony/flex/tree/v1.19.3"
             },
             "funding": [
                 {
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-09-28T17:00:52+00:00"
+            "time": "2022-08-07T09:39:08+00:00"
         },
         {
             "name": "symfony/form",
         "ext-iconv": "*"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.1.0"
+    "plugin-api-version": "2.3.0"
 }

src/Controller/ControllerTrait.php

 
 trait ControllerTrait
 {
-    public static function getSubscribedServices()
+    public static function getSubscribedServices(): array
     {
         return array_merge(
             parent::getSubscribedServices(),