Merge topic 'cpack-rpm-zstd-compression' fab5c030ad CPack/RPM: Add zstd compression support a25be17bc4 CPack/RPM: emit error on invalid CPACK_RPM_COMPRESSION_TYPE 7e21412f47 CPack/RPM: fix whitespace alignment prior to editing e0b73a32c1 Help: Clarify using CPACK_THREADS as default Acked-by: Kitware Robot <kwrobot@kitware.com> Acked-by: buildbot <buildbot@kitware.com> Merge-request: !9632