*/*: Introduction USES=sudo

A new uses 'sudo' has been added to transperently depends of the
proper flavor of sudo 'default' or 'sssd' depending on the default
version set by the user.

If you prefere to use 'sssd' flavor of sudo, add the following
to your make.conf:

DEFAULT_VERSIONS+=sudo=sssd

All sudo consummer ports has benn updated to USES=sudo

Reviewed by: 0mp
Approved by: mat
Sponsored by: Klara, Inc.
Differential Revision: https://reviews.freebsd.org/D52160