config: update ARGON2I/ARGON2ID Algorithm options

[kenjis]

• update comments
• update the default values

<?php
echo PASSWORD_ARGON2_DEFAULT_MEMORY_COST . PHP_EOL;
echo PASSWORD_ARGON2_DEFAULT_TIME_COST . PHP_EOL;
echo PASSWORD_ARGON2_DEFAULT_THREADS . PHP_EOL;

$ php test.php 
65536
4
1

$ php -v
PHP 8.1.12 (cli) (built: Oct 30 2022 12:55:25) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.1.12, Copyright (c) Zend Technologies
    with Xdebug v3.1.5, Copyright (c) 2002-2022, by Derick Rethans
    with Zend OPcache v8.1.12, Copyright (c), by Zend Technologies