arch, change checks for Archlinux to looking for pacman in case forks decide to use their own name in the future.

tasks/general/software/packages.yml

@@ -108,7 +108,7 @@
       - which
       - "{{ cron }}"
     state: present
-  when: ansible_distribution == "Archlinux"
+  when: ansible_pkg_mgr == "pacman"
 
 - name: General | Software | Packages | Install Fix (Looking at you, openSUSE)
   package: