Issue #2919215 by alexpott, longwave, dawehner: Deprecate feed.bridge.writer

(cherry picked from commit a0e1956f)

core/core.services.yml

@@ -1449,6 +1449,7 @@ services:
       - [setContainer, ['@service_container']]
       - [setStandalone, ['\Laminas\Feed\Writer\StandaloneExtensionManager']]
     arguments: ['feed.writer.']
+    deprecated: The "%service_id%" service is deprecated in drupal:9.4.0 and is removed from drupal:10.0.0. Use \Laminas\Feed\Writer\StandaloneExtensionManager or create your own service. See https://www.drupal.org/node/3258440
 # Laminas Feed reader plugins. Plugin instances should not be shared.
   feed.reader.dublincoreentry:
     class: Laminas\Feed\Reader\Extension\DublinCore\Entry

core/tests/Drupal/KernelTests/Core/LegacyServiceTest.php

@@ -41,6 +41,14 @@ public function testLaminasFeedServices($type, $service, $class) {
     $this->assertIsObject($this->container->get($service));
   }
 
+  /**
+   * Tests the deprecated Laminas bridge service.
+   */
+  public function testLaminasBridgeService() {
+    $this->expectDeprecation("The \"feed.bridge.writer\" service is deprecated in drupal:9.4.0 and is removed from drupal:10.0.0. Use \Laminas\Feed\Writer\StandaloneExtensionManager or create your own service. See https://www.drupal.org/node/3258440");
+    $this->assertIsObject($this->container->get('feed.bridge.writer'));
+  }
+
   public function providerLaminasFeedServices() {
     return [
       ['reader', 'dublincoreentry', 'DublinCore\Entry'],