Are you sure that the translations for gnupg are installed? On Tumbleweed translations are usually in a separate package. After installing the gpg2-lang package I get this when I force the Turkish translation:
$ LANGUAGE=tr_TR gpg --version gpg (GnuPG) 2.5.2 libgcrypt 1.11.0 Copyright (C) 2024 g10 Code GmbH License GNU GPL-3.0-or-later <https://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.