Before this commit: if one recurrence event in the google calendar contains an attendee with one of the alias emails, it wouldn't get synced and raise an error. The solution is to remove those attendees. opw-2963825 closes odoo/odoo#101037 X-original-commit: c9fa96604950f61c079627b88495130365d3b534 Signed-off-by: Arnaud Joset <arj@odoo.com>