[r-rig][r-packages] Updates for latest rig and pak

[eitsupi]

• P3M now supports Debian
• --without-sysreqs does not seem working. (--without-sysreqs is not working? r-lib/rig#184)

[eitsupi]

• --without-sysreqs does not seem working.

This was fixed by #220

[eitsupi]

I think a option to set the --without-p3m flag to the rig add command is needed.