Request 1185120 (accepted)

- Limit explicit GCC13 usage to suse_version < 1600, i.e to Leap
15.x. Future versions are supposed to have a recent enough GCC
version.

- Limit explicit GCC13 usage to suse_version < 1600, i.e to Leap
15.x. Future versions are supposed to have a recent enough GCC
version.

thanks .... we should really make it possible that we could the right compiler with something like BuildRequires: gcc > 13 or alike ...