[Update]
As I haven't experience with composer, I tried many options without success. After some time, I remember about the updated SabreDav lib and a zip inside the code, so, I entered in $RC_ROOT/plugins/calendar/lib and used
$ composer remove sabre/dav
$ composer remove sabre/vobject
$ composer install sabre/dav
After some time, has installed sabre/dav 3.2.0 and sabre/vobject 4.1.1. Since this point, the calendar returned to work in my env, but now return errors related to self-signed certificate.