Build: Add globalThis DefinePlugin config to webpack

This updates the build to account for related changes in WordPress packages. More details in WordPress/gutenberg#61486.

Props jonsurrell, youknowriad, swissspidy, gziolo.
Fixes #61262.



Built from https://develop.svn.wordpress.org/trunk@58193


git-svn-id: https://core.svn.wordpress.org/trunk@57656 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.6-alpha-58192';
+$wp_version = '6.6-alpha-58193';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.