Docs: Correct `@since` version for `WP_REST_Plugins_Controller::get_item_schema()`.

Follow-up to [48242].

See #50321.
Built from https://develop.svn.wordpress.org/trunk@48626


git-svn-id: http://core.svn.wordpress.org/trunk@48388 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/rest-api/endpoints/class-wp-rest-plugins-controller.php

@@ -815,7 +815,7 @@ class WP_REST_Plugins_Controller extends WP_REST_Controller {
 	/**
 	 * Retrieves the plugin's schema, conforming to JSON Schema.
 	 *
-	 * @since 4.7.0
+	 * @since 5.5.0
 	 *
 	 * @return array Item schema data.
 	 */

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-beta3-48625';
+$wp_version = '5.5-beta3-48626';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.