Docs: Clarify the path usage register_block_type_from_metadata

The filename passed with the first param must end with `block.json`.

Fixes #53806.
Props coreyw, costdev.


Built from https://develop.svn.wordpress.org/trunk@52012


git-svn-id: http://core.svn.wordpress.org/trunk@51603 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/blocks.php

@@ -213,6 +213,7 @@ function get_block_metadata_i18n_schema() {
  *
  * @param string $file_or_folder Path to the JSON file with metadata definition for
  *                               the block or path to the folder where the `block.json` file is located.
+ *                               If providing the path to a JSON file, the filename must end with `block.json`.
  * @param array  $args           Optional. Array of block type arguments. Accepts any public property
  *                               of `WP_Block_Type`. See WP_Block_Type::__construct() for information
  *                               on accepted arguments. Default empty array.

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-52011';
+$wp_version = '5.9-alpha-52012';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.