Import Debian changes 2.13.2-8

apparmor (2.13.2-8) unstable; urgency=medium

  * Cherry-pick 5 more commits from upstream apparmor-2.13 branch
    (Closes: #921866).
  * Cherry-pick upstream MR!344 (Closes: #920833, #921888).
  * Install the nvidia_modprobe named profile (Closes: #921875)
    and add it to the list of profiles whose syntax is checked
    via autopkgtests.
  * Patch usr.sbin.smdb to include snippet generated at runtime
    (part of the fix for #896080).
  * New autopkgtest: ensure apparmor.service starts on
    package installation.
  * Update salsa CI pipeline.