Perl::Critic::Policy::InputOutput::ProhibitTwoArgOpen(3pm) on Linux
The text 70a7a3c549e1, as Debian 11 (Bullseye) shipped it.
Write "open $fh, q{<}, $filename;" instead of "open $fh, "<$filename";".
Perl::Critic::Policy::InputOutput::ProhibitTwoArgOpen(3pm) on Linux now