Twenty Twenty: Add support for `wa.me` links in Social menu.

This ensures that `wa.me` links, currently preferred by WhatsApp, have the same icon as `whatsapp.com` links.

Follow-up to [47243], [51617].

Props sabernhardt, macmanx.
Fixes #50542.
Built from https://develop.svn.wordpress.org/trunk@51618


git-svn-id: http://core.svn.wordpress.org/trunk@51224 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-content/themes/twentytwenty/classes/class-twentytwenty-svg-icons.php

@@ -223,6 +223,10 @@ if ( ! class_exists( 'TwentyTwenty_SVG_Icons' ) ) {
 			'twitch'    => array(
 				'twitch.tv',
 			),
+			'whatsapp' => array(
+				'wa.me',
+				'whatsapp.com',
+			),
 			'wordpress' => array(
 				'wordpress.com',
 				'wordpress.org',

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-51617';
+$wp_version = '5.9-alpha-51618';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.