/usr/share/puppet/modules.available/puppetlabs-concat/ is in puppet-module-puppetlabs-concat 1.0.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/puppet/modules.available/puppetlabs-concat/Modulefile
/usr/share/puppet/modules.available/puppetlabs-concat/files/
/usr/share/puppet/modules.available/puppetlabs-concat/files/concatfragments.sh
/usr/share/puppet/modules.available/puppetlabs-concat/lib/
/usr/share/puppet/modules.available/puppetlabs-concat/lib/facter/
/usr/share/puppet/modules.available/puppetlabs-concat/lib/facter/concat_basedir.rb
/usr/share/puppet/modules.available/puppetlabs-concat/manifests/
/usr/share/puppet/modules.available/puppetlabs-concat/manifests/fragment.pp
/usr/share/puppet/modules.available/puppetlabs-concat/manifests/init.pp
/usr/share/puppet/modules.available/puppetlabs-concat/manifests/setup.pp
/usr/share/puppet/modules.available/puppetlabs-concat/metadata.json