[FIX] l10n_it_withholding_tax: change name according to https://www.odoo-italia.org/documentazione/12.0/sviluppo/guidelines.html#titolo-del-modulo
[FIX] l10n_it_withholding_tax: change name according to https://www.odoo-italia.org/documentazione/12.0/sviluppo/guidelines.html#titolo-del-modulo

OCA/l10n-italy,dcorio/l10n-italy,dcorio/l10n-italy,OCA/l10n-italy,OCA/l10n-italy,dcorio/l10n-italy