Merge branch '2073-fix-hardening-scripts' into 'master'

Resolve "Syntax error in hardening scripts for UBI images"

Closes #2073

See merge request https://gitlab.com/gitlab-org/build/CNG/-/merge_requests/1986



Merged-by: Jason Plum <jplum@gitlab.com>
Approved-by: Andrew Patterson <apatterson@gitlab.com>
Approved-by: Jason Plum <jplum@gitlab.com>
Co-authored-by: Dmytro Makovey <dmakovey@gitlab.com>