/usr/share/passenger/templates/apache2/ is in ruby-passenger 4.0.37-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/passenger/templates/apache2/apache_install_broken.txt.erb
/usr/share/passenger/templates/apache2/apache_must_be_compiled_with_compatible_mpm.txt.erb
/usr/share/passenger/templates/apache2/config_snippets.txt.erb
/usr/share/passenger/templates/apache2/deployment_example.txt.erb
/usr/share/passenger/templates/apache2/installing_against_a_different_apache.txt.erb
/usr/share/passenger/templates/apache2/multiple_apache_installations_detected.txt.erb
/usr/share/passenger/templates/apache2/notify_apache_module_installed.txt.erb
/usr/share/passenger/templates/apache2/possible_solutions_for_compilation_and_installation_problems.txt.erb
/usr/share/passenger/templates/apache2/present_choice_for_no_update_config.txt.erb
/usr/share/passenger/templates/apache2/welcome.txt.erb