Docs: Correct `@return` value for `WP_REST_Meta_Fields::get_value()`.

Props chrisvanpatten.
Fixes #50259.
Built from https://develop.svn.wordpress.org/trunk@47858


git-svn-id: http://core.svn.wordpress.org/trunk@47634 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/rest-api/fields/class-wp-rest-meta-fields.php

@@ -70,7 +70,7 @@ abstract class WP_REST_Meta_Fields {
 	 *
 	 * @param int             $object_id Object ID to fetch meta for.
 	 * @param WP_REST_Request $request   Full details about the request.
-	 * @return object|WP_Error Object containing the meta values by name, otherwise WP_Error object.
+	 * @return array Array containing the meta values keyed by name.
 	 */
 	public function get_value( $object_id, $request ) {
 		$fields   = $this->get_registered_fields();

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-alpha-47857';
+$wp_version = '5.5-alpha-47858';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.