Add param type for Custom_Image_Header::set_header_image()

Author: IanDelMar

functionMap.php

@@ -197,4 +197,5 @@
     'WP_Widget_Factory::register' => [null, 'widget' => 'class-string<\WP_Widget>|\WP_Widget'],
     'WP_Widget_Factory::unregister' => [null, 'widget' => 'class-string<\WP_Widget>|\WP_Widget'],
     'Custom_Image_Header::show_header_selector' => [null, 'type' => "'default'|'uploaded'"],
+    'Custom_Image_Header::set_header_image' => [null, 'choice' => 'string|array{attachment_id: positive-int, url: string, width: non-negative-int, height: non-negative-int}'],
 ];

wordpress-stubs.php

@@ -1355,6 +1355,7 @@ public function filter_upload_tabs($tabs)
          *                      registered for that theme; and the key of an image uploaded for that theme
          *                      (the attachment ID of the image). Or an array of arguments: attachment_id,
          *                      url, width, height. All are required.
+         * @phpstan-param string|array{attachment_id: positive-int, url: string, width: non-negative-int, height: non-negative-int} $choice
          * @phpstan-return void
          */
         public final function set_header_image($choice)