* pamd: typo fix sufficicent->sufficient
* pamd: is_valid is a property, not a method; return a tuple
* pamd: define is_valid for all PamdLine classes
* pamd: use validate() for verbose errors, define generically
* pamd: PamdRule: rule_control is always str, use _control
Fixes https://github.com/ansible/ansible/issues/41179