[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/minitest/config.dist.php

@@ -3,10 +3,12 @@
  * Akeeba Engine
  *
  * @package   akeebaengine
- * @copyright Copyright (c)2006-2020 Nicholas K. Dionysopoulos / Akeeba Ltd
+ * @copyright Copyright (c)2006-2023 Nicholas K. Dionysopoulos / Akeeba Ltd
  * @license   GNU General Public License version 3, or later
  */
 
+// Custom Endpoint. The example below is for using LocalStack, see https://localstack.cloud/
+// define('DEFAULT_ENDPOINT', 'localhost.localstack.cloud:4566');
 // Default Amazon S3 Access Key
 define('DEFAULT_ACCESS_KEY', 'your s3 access key');
 // Default Amazon S3 Secret Key
@@ -23,6 +25,8 @@ define('DEFAULT_DUALSTACK', false);
 define('DEFAULT_PATH_ACCESS', false);
 // Should I use SSL by default?
 define('DEFAULT_SSL', true);
+// Create the 2100 test files in the bucket?
+define('CREATE_2100_FILES', true);
 
 /**
  * Tests for standard key pairs allowing us to read, write and delete
@@ -33,7 +37,9 @@ $standardTests = [
 	'BucketsList',
 	'BucketLocation',
 	'SmallFiles',
+	'HeadObject',
 	'SmallInlineFiles',
+	'SmallInlineXMLFiles',
 	'SignedURLs',
 	'StorageClasses',
 	'ListFiles',