[s3_storage] Bump version of akeeba/s3 to version 2.3.1

- Address https://github.com/friendica/friendica/issues/12011#issuecomment-1854681792

s3_storage/vendor/akeeba/s3/src/aliasing.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * Akeeba Engine
+ *
+ * @package   akeebaengine
+ * @copyright Copyright (c)2006-2023 Nicholas K. Dionysopoulos / Akeeba Ltd
+ * @license   GNU General Public License version 3, or later
+ */
+
+/**
+ * Automatic aliasing of the old namespace to the new, as you use each old class.
+ */
+spl_autoload_register(
+	static function (string $className)
+	{
+		$oldNS = 'Akeeba\Engine\Postproc\Connector\S3v4';
+		$newNS = 'Akeeba\S3';
+
+		$className = trim($className, '\\');
+
+		if (strpos($className, $oldNS) !== 0)
+		{
+			return false;
+		}
+
+		$newClassName = $newNS . '\\' . trim(substr($className, strlen($oldNS)), '\\');
+
+		if (class_exists($newClassName, true))
+		{
+			class_alias($newClassName, $className, false);
+		}
+
+		return true;
+	}
+);