use php config instead of deprecated xml

Resources/config/services.php

@@ -0,0 +1,25 @@
+<?php
+
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use ABEL\Bundle\keycloakBearerOnlyAdapterBundle\Security\User\KeycloakBearerUserProvider;
+
+return static function (ContainerConfigurator $configurator): void {
+    $services = $configurator->services();
+
+    $services
+        ->defaults()
+        ->autowire()
+        ->autoconfigure();
+
+    $services->load('ABEL\\Bundle\\keycloakBearerOnlyAdapterBundle\\', '../../*')
+        ->exclude('../../{Entity,Migrations,Tests}');
+
+    // empty args → will be replaced later
+    $services->set('abel_keycloak_bearer_only_adapter.keycloak_bearer_user_provider', KeycloakBearerUserProvider::class)
+        ->args([null, null, null, null, null]);
+
+    $services->alias(
+        KeycloakBearerUserProvider::class,
+        'abel_keycloak_bearer_only_adapter.keycloak_bearer_user_provider'
+    );
+};