[gnome-initial-setup] (8 commits) ...Merge branch 'mcatanzaro/resurrect-software-page' into 'master'

[Marge Bot <marge-bot src gnome org>]

Summary of changes:

  7d72757... Revert "Remove obsolete Software page" (*)
  6f0f263... Add gis_pkexec() helper function (*)
  eedb59a... software: replace use of obsolete settings with fedora-thir (*)
  ba2105a... Add polkit rule to allow executing fedora-third-party (*)
  c853eb9... software: update to more closely match current design (*)
  a0ee102... pkexec: Update Endless attribution (*)
  8cb135b... pkexec: Modernize with g_autoptr() (*)
  6d5f36b... Merge branch 'mcatanzaro/resurrect-software-page' into 'mas

(*) This commit already existed in another branch; no separate mail sent