/usr/share/perl5/App/ is in libapp-cmd-perl 0.313-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/App/Cmd/
/usr/share/perl5/App/Cmd.pm
/usr/share/perl5/App/Cmd/ArgProcessor.pm
/usr/share/perl5/App/Cmd/Command/
/usr/share/perl5/App/Cmd/Command.pm
/usr/share/perl5/App/Cmd/Command/commands.pm
/usr/share/perl5/App/Cmd/Command/help.pm
/usr/share/perl5/App/Cmd/Plugin.pm
/usr/share/perl5/App/Cmd/Setup.pm
/usr/share/perl5/App/Cmd/Simple.pm
/usr/share/perl5/App/Cmd/Subdispatch/
/usr/share/perl5/App/Cmd/Subdispatch.pm
/usr/share/perl5/App/Cmd/Subdispatch/DashedStyle.pm
/usr/share/perl5/App/Cmd/Tester.pm
/usr/share/perl5/App/Cmd/Tutorial.pod