Initial Drupal 11 with DDEV setup

web/core/modules/serialization/serialization.post_update.php

@@ -0,0 +1,15 @@
+<?php
+
+/**
+ * @file
+ * Post update functions for Serialization module.
+ */
+
+/**
+ * Implements hook_removed_post_updates().
+ */
+function serialization_removed_post_updates(): array {
+  return [
+    'serialization_post_update_delete_settings' => '10.0.0',
+  ];
+}