bug#58880: [PATCH v2 2/2] nls: Update translation keys for guix gc

[pelzflorian (Florian Pelz)]

Remco van 't Veer <remco@remworks.net> writes:
> * po/*/*.po (guix/scripts/gc.scm): Round MiBs in user feedback.

Thank you Remco for not breaking translations, which is nice to users.
But note that usually committers just ignore that the translations stay
broken for a while and that is more feasible for developers and would be
okay too.

Regards,
Florian