Docs: Typo correction in `wp_get_layout_style()` introduced in 5.9.

Follow-up to [52069].

See #53399.

Built from https://develop.svn.wordpress.org/trunk@52410


git-svn-id: http://core.svn.wordpress.org/trunk@52002 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/block-supports/layout.php

@@ -37,7 +37,7 @@ function wp_register_layout_support( $block_type ) {
  *
  * @param string $selector              CSS selector.
  * @param array  $layout                Layout object. The one that is passed has already checked
- *                                      the existance of default block layout.
+ *                                      the existence of default block layout.
  * @param bool   $has_block_gap_support Whether the theme has support for the block gap.
  * @return string CSS style.
  */

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-beta4-52409';
+$wp_version = '5.9-beta4-52410';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.