Perl::Critic::Policy::ValuesAndExpressions::RequireUpperCaseHeredocTerminator(3pm) on Linux
The text 47b50ae98fdf, as Debian 13 (Trixie) shipped it.
Write " <<'THE_END'; " instead of " <<'theEnd'; ".
Perl::Critic::Policy::ValuesAndExpressions::RequireUpperCaseHeredocTerminator(3pm) on Linux now