Fixes #36689

[jpasqualetto]

Ensure permissions on listing file is 644

[theforeman-bot]

Issues: #36689

[chris1984]

Looks like we have a rubocop failure:

Offenses:

lib/hammer_cli_katello/content_export_helper.rb:103:22: C: Use 0o for octal literals.
          File.chmod(0644, "#{dir}/listing")
                     ^^^^

262 files inspected, 1 offense detected
Error: Process completed with exit code 1.

[jpasqualetto]

Looks like we have a rubocop failure:

Offenses:

lib/hammer_cli_katello/content_export_helper.rb:103:22: C: Use 0o for octal literals.
          File.chmod(0644, "#{dir}/listing")
                     ^^^^

262 files inspected, 1 offense detected
Error: Process completed with exit code 1.

I fixed it and pushed the changed.

[chris1984]

Works great, thanks @jpasqualetto