fix(jsonschema): Add missing sudo definition (#5418)
Jira: https://issues.redhat.com/browse/RHEL-44337
This configuration:
```
users:
- name: osadmin
lock_passwd: false
sudo: ["ALL=(ALL) NOPASSWD:ALL"]
```
Is valid syntax but is missing from the jsonschema definition.
Fixes GH-5399
(cherry picked from commit b533fa51acb850ed754e2b1925e276ff8e5f3507)
No conflicts.