Add Fedora and Arch package recipes (#24)

* Package Ferese for Fedora and Arch releases

* Build release packages alongside workspace checks

* Include dependency licenses and software GPU test drivers

* Limit package checks to release PRs and fix Arch Cargo dependency

* Prepare Ferese 0.1.0-beta

* Release config locks before closing inherited file descriptions

* Install the lock PAM policy for native release checks

* Include xauth in distribution package test dependencies

* Regenerate Arch Git package metadata

* Run package checks with an explicit UTC timezone

* Remove unused bundled fonts and accept installed license receipts

* Format the system font test helper

* Load an installed font for headless text rendering checks

* Isolate package test runtimes and reap container child processes

scripts/installer/inventory.json

@@ -85,11 +85,6 @@
       "target": "config.example.kdl",
       "mode": "0644"
     },
-    {
-      "source": "assets/fonts/Comfortaa-LICENSE.txt",
-      "target": "licenses/Comfortaa-LICENSE.txt",
-      "mode": "0644"
-    },
     {
       "source": "assets/themes/licenses/*.txt",
       "target": "licenses/theme-{name}",