Multisite: Add missing "contribute.php" file to User Dashboard.

This changeset adds a `wp-admin/user/contribute.php` file to allow the "Get Involved" link to work on User Admin.

This changeset prevents an unintended 404 that occurs when a logged-in user clicks the "Get Involved" link (located in the menu-bar) from inside of the multisite-specific User Dashboard.

Related: r56220, r56309, #23348.

Props ignatiusjeroe, audrasjb, tobiasbg.

Fixes #61122.
Built from https://develop.svn.wordpress.org/trunk@58118


git-svn-id: http://core.svn.wordpress.org/trunk@57583 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/user/contribute.php

@@ -0,0 +1,13 @@
+<?php
+/**
+ * User Dashboard Contribute administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 6.6.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once __DIR__ . '/admin.php';
+
+require ABSPATH . 'wp-admin/contribute.php';

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.6-alpha-58113';
+$wp_version = '6.6-alpha-58118';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.