`page_template` should be annotated as `@property`, not `@property-read` in `WP_Post`. The property is set on an instance in `wp_insert_post()`

Props morganestes.
Fixes #32515.


git-svn-id: https://develop.svn.wordpress.org/trunk@32729 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/post.php

@@ -459,8 +459,9 @@ function get_post( $post = null, $output = OBJECT, $filter = 'raw' ) {
  *
  * @since 3.5.0
  *
+ * @property string $page_template
+ * 
  * @property-read array  $ancestors
- * @property-read string $page_template
  * @property-read int    $post_category
  * @property-read string $tag_input
  *