chore(release): 4.8.0-alpha.3 [skip ci]

# [4.8.0-alpha.3](v4.8.0-alpha.2...v4.8.0-alpha.3) (2024-08-02)

### Features

* rename guest contributor role ([#3302](#3302)) ([76ac05e](76ac05e))

newspack.php

@@ -2,7 +2,7 @@
 /**
  * Plugin Name: Newspack
  * Description: An advanced open-source publishing and revenue-generating platform for news organizations.
- * Version: 4.8.0-alpha.2
+ * Version: 4.8.0-alpha.3
  * Author: Automattic
  * Author URI: https://newspack.com/
  * License: GPL2
@@ -14,7 +14,7 @@
 
 defined( 'ABSPATH' ) || exit;
 
-define( 'NEWSPACK_PLUGIN_VERSION', '4.8.0-alpha.2' );
+define( 'NEWSPACK_PLUGIN_VERSION', '4.8.0-alpha.3' );
 
 // Load language files.
 load_plugin_textdomain( 'newspack-plugin', false, dirname( plugin_basename( __FILE__ ) ) . '/languages' );