Help/About: Use CDN URLs for About page images.

Reviewed by ryelle, SergeyBiryukov.
Merges [49770] to the 5.6 branch.
Fixes #51415.


Built from https://develop.svn.wordpress.org/branches/5.6@49771


git-svn-id: http://core.svn.wordpress.org/branches/5.6@49494 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/about.php

@@ -108,7 +108,7 @@ require_once ABSPATH . 'wp-admin/admin-header.php';
 
 		<div class="about__section">
 			<div class="column about__image is-edge-to-edge">
-				<img src="https://make.wordpress.org/core/files/2020/11/TT1-Screenshots-Compressed.jpg" alt="" />
+				<img src="https://s.w.org/images/core/5.6/twentytwentyone-layouts.jpg" alt="" />
 			</div>
 		</div>
 
@@ -146,7 +146,7 @@ require_once ABSPATH . 'wp-admin/admin-header.php';
 
 		<div class="about__section">
 			<div class="column about__image is-edge-to-edge">
-				<img src="https://make.wordpress.org/core/files/2020/11/Rainbow-Compressed.png" alt="" />
+				<img src="https://s.w.org/images/core/5.6/twentytwentyone-rainbow.png" alt="" />
 			</div>
 		</div>
 

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-RC5-49768';
+$wp_version = '5.6-RC5-49771';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.