[FIX] l10n_lu: add missing translations

Recently the tax report was updated with new tax report lines, but translations weren't added.
This commit adds translations in FR, DE.

task-3264626

closes odoo/odoo#117841

X-original-commit: 546f2777
Related: odoo/enterprise#39398
Signed-off-by: Olivier Colson (oco) <oco@odoo.com>
Signed-off-by: Aliya Tastemirova (alta) <alta@odoo.com>