Issue #3038596: Mechanism that adds custom drupalci.yml configurations does...

Issue #3038596: Mechanism that adds custom drupalci.yml configurations does not detect configs in new branches.

core/drupalci.yml

 # This is the DrupalCI testbot build file for Drupal core.
 # Learn to make one for your own drupal.org project:
 # https://www.drupal.org/drupalorg/docs/drupal-ci/customizing-drupalci-testing
+# Until https://www.drupal.org/project/project_issue_file_test/issues/3038596 is
+# fixed this file needs to change when a new core branch is made. Latest branch
+# is 9.4.x.
 build:
   assessment:
     testing: