These are translations originally contributed to Gitea and picked from it's repo at fc1b383da9/options/locale.
Because commits in Gitea are missing attribtuion, it is not possible to credit translators in this commit. But you might have luck finding them in Gitea project on Crowdin: https://crowdin.com/project/gitea.
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/6958
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>