Launchpad currently recommends translating grub2-unsigned in Ubuntu Mantic.

Template "grub" in Ubuntu Mantic package "grub2-unsigned"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 1470 1470 0 0
Dakota 100.00  100.0% untranslated 1470 1470 0 0
Hawaiian 100.00  100.0% untranslated 1470 1470 0 0
Inuktitut 100.00  100.0% untranslated 1470 1470 0 0
Lakota 100.00  100.0% untranslated 1470 1470 0 0
Louisiana French 100.00  100.0% untranslated 1470 1470 0 0
Ojibwe 100.00  100.0% untranslated 1470 1470 0 0
Pennsylvania German 100.00  100.0% untranslated 1470 1470 0 0
Spanish 012.86  87.14285714285714% translated  12.857142857142856% untranslated 189 189 0 3 3 2022-03-28 15:08:00 UTC
Tlingit 100.00  100.0% untranslated 1470 1470 0 0
Yiddish 100.00  100.0% untranslated 1470 1470 0 0
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Key to this table: “Unchanged” means Translated
and “untranslated” means just that, Untranslated

Other versions of grub2-unsigned in Ubuntu