Fix Howdy removal for WordPress 6.6

Core 6.6 moved some priorities around for admin bar nodes. Our
old priority can't find the my-account node because it's added
at a later priority.

See: https://core.trac.wordpress.org/changeset/58759

inc/branding/namespace.php

@@ -43,7 +43,7 @@ function bootstrap() {
  add_filter( 'get_the_generator_rss2', __NAMESPACE__ . '\\override_generator', 10, 2 );
  add_filter( 'get_the_generator_comment', __NAMESPACE__ . '\\override_generator', 10, 2 );
  add_filter( 'get_the_generator_export', __NAMESPACE__ . '\\override_generator', 10, 2 );
- add_filter( 'admin_bar_menu', __NAMESPACE__ . '\\remove_howdy_greeting', 25 );
+ add_filter( 'admin_bar_menu', __NAMESPACE__ . '\\remove_howdy_greeting', 9992 );
  add_action( 'enqueue_block_editor_assets', __NAMESPACE__ . '\\enqueue_block_editor_branding_assets' );
  add_action( 'do_faviconico', __NAMESPACE__ . '\\override_default_favicon' );
 }