Docs: Document the `VALID_ORIGINS` constant in `WP_Theme_JSON`.

Follow-up to [51149].

See #52628.
Built from https://develop.svn.wordpress.org/trunk@51152


git-svn-id: http://core.svn.wordpress.org/trunk@50761 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-theme-json.php

@@ -40,6 +40,12 @@ class WP_Theme_JSON {
 	 */
 	const ROOT_BLOCK_SELECTOR = 'body';
 
+	/**
+	 * The sources of data this object can represent.
+	 *
+	 * @since 5.8.0
+	 * @var array
+	 */
 	const VALID_ORIGINS = array(
 		'core',
 		'theme',

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.8-beta1-51151';
+$wp_version = '5.8-beta1-51152';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.