The class PyDateTime did not have a method to_utc. For that reason, it was
impossible for the search model to evaluate a dynamic domains like
"[('date', '>=', (datetime.datetime.combine(context_today(), datetime.time(0,0,0)).to_utc()))]"
We implement that method.
X-original-commit: 3ad9a3be64da78d596ee3dc435d4b224728a9e76
Part-of: odoo/odoo#77035