gnu: tryton applcations and framework: Update to 5.8.2.
* gnu/packages/tryton.scm (trytond, tryton, python-trytond-stock,
python-trytond-stock-lot): Update to 5.8.2.
(python-proteus, python-trytond-account, python-trytond-account-invoice,
python-trytond-account-invoice-stock, python-trytond-account-product,
python-trytond-analytic-account, python-trytond-company,
python-trytond-country, python-trytond-currency, python-trytond-party,
python-trytond-product, python-trytond-purchase,
python-trytond-purchase-request, python-trytond-stock-supply):
Update to 5.8.1.