hplip security, bug fix, and enhancement update

3.26.6-1.3 - Fix LEDM scanning 3.26.6-1.2 - fix OSH issues 3.26.6-1.1 - really fix missing /var/lib/hp 3.26.6-1 - Rebase to 3.26.6 3.21.2-6.6 - RHEL-257310 IMAGE-MODE missing /var/lib/hp on image-mode...