Update Peast to 1.15.4

Rerunning tests and can mark after that.

All green

I tested this update as part of https://www.drupal.org/project/drupal/issues/3371010 🐛 Aggregation changes in 10.1 break xdebug Postponed: needs info and it worked for me as well.

Committed cd03ce1 and pushed to 11.x. Also backported to 10.1.x as a patch level dependency update. Thanks!

Automatically closed - issue fixed for 2 weeks with no activity.