[Livro] Minor theme review fixes (#5323)

* Update tested version value.

* Update package name.

livro/functions.php

@@ -4,8 +4,7 @@
  *
  * @link https://developer.wordpress.org/themes/basics/theme-functions/
  *
- * @package WordPress
- * @subpackage Livro
+ * @package Livro
  * @since Livro 1.0
  */
 

livro/readme.txt

@@ -1,7 +1,7 @@
 === Livro ===
 Contributors: automattic
 Requires at least: 5.8
-Tested up to: 5.9
+Tested up to: 5.8.3
 Requires PHP: 5.6
 Stable tag: 1.0
 License: GPLv2 or later

livro/style.css

@@ -5,7 +5,7 @@ Author: Automattic
 Author URI: https://automattic.com/
 Description: Livro is a simple theme designed to evoke the calm feeling you get when you settle in with a classic book. 
 Requires at least: 5.8
-Tested up to: 5.9
+Tested up to: 5.8.3
 Requires PHP: 5.6
 Version: 1.0
 License: GNU General Public License v2 or later