/usr/lib/ruby/ is in ruby-gettext 3.1.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/gettext.rb
/usr/lib/ruby/vendor_ruby/gettext/
/usr/lib/ruby/vendor_ruby/gettext/locale_path.rb
/usr/lib/ruby/vendor_ruby/gettext/cgi.rb
/usr/lib/ruby/vendor_ruby/gettext/class_info.rb
/usr/lib/ruby/vendor_ruby/gettext/tools.rb
/usr/lib/ruby/vendor_ruby/gettext/tools/
/usr/lib/ruby/vendor_ruby/gettext/tools/task.rb
/usr/lib/ruby/vendor_ruby/gettext/tools/msgcat.rb
/usr/lib/ruby/vendor_ruby/gettext/tools/msginit.rb
/usr/lib/ruby/vendor_ruby/gettext/tools/xgettext.rb
/usr/lib/ruby/vendor_ruby/gettext/tools/msgfmt.rb
/usr/lib/ruby/vendor_ruby/gettext/tools/msgmerge.rb
/usr/lib/ruby/vendor_ruby/gettext/tools/parser/
/usr/lib/ruby/vendor_ruby/gettext/tools/parser/erb.rb
/usr/lib/ruby/vendor_ruby/gettext/tools/parser/glade.rb
/usr/lib/ruby/vendor_ruby/gettext/tools/parser/ruby.rb
/usr/lib/ruby/vendor_ruby/gettext/text_domain.rb
/usr/lib/ruby/vendor_ruby/gettext/po_entry.rb
/usr/lib/ruby/vendor_ruby/gettext/version.rb
/usr/lib/ruby/vendor_ruby/gettext/mo.rb
/usr/lib/ruby/vendor_ruby/gettext/po_parser.rb
/usr/lib/ruby/vendor_ruby/gettext/po.rb
/usr/lib/ruby/vendor_ruby/gettext/text_domain_group.rb
/usr/lib/ruby/vendor_ruby/gettext/po_format.rb
/usr/lib/ruby/vendor_ruby/gettext/text_domain_manager.rb