/usr/share/perl5/ is in libpetal-perl 2.23-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Petal.pm
/usr/share/perl5/Petal/
/usr/share/perl5/Petal/Functions.pm
/usr/share/perl5/Petal/Canonicalizer/
/usr/share/perl5/Petal/Canonicalizer/XML.pm
/usr/share/perl5/Petal/Canonicalizer/XHTML.pm
/usr/share/perl5/Petal/I18N.pm
/usr/share/perl5/Petal/Entities.pm
/usr/share/perl5/Petal/Cache/
/usr/share/perl5/Petal/Cache/Disk.pm
/usr/share/perl5/Petal/Cache/Memory.pm
/usr/share/perl5/Petal/Hash.pm
/usr/share/perl5/Petal/Deprecated.pod
/usr/share/perl5/Petal/Cookbook.pod
/usr/share/perl5/Petal/CodeGenerator.pm
/usr/share/perl5/Petal/Hash/
/usr/share/perl5/Petal/Hash/String.pm
/usr/share/perl5/Petal/Hash/Var.pm
/usr/share/perl5/Petal/Hash/Test.pm
/usr/share/perl5/Petal/TranslationService/
/usr/share/perl5/Petal/TranslationService/Noop.pm
/usr/share/perl5/Petal/TranslationService/Gettext.pm
/usr/share/perl5/Petal/TranslationService/MOFile.pm
/usr/share/perl5/Petal/TranslationService/h4x0r.pm
/usr/share/perl5/Petal/Parser.pm