Fixed upgrade task for pacman-based systems

ansible/os.upgrade.yml

@@ -12,8 +12,9 @@
       when: ansible_system == 'Linux'
       become: true
       ansible.builtin.package:
-        name: '*'
+        name: "{{ (ansible_pkg_mgr in ['pacman']) | ternary(omit, '*') }}"
         state: "{{ (ansible_pkg_mgr in ['zypper']) | ternary('dist-upgrade', 'latest') }}"
+        upgrade: "{{ (ansible_pkg_mgr in ['pacman']) | ternary(true, omit) }}"
     - name: Upgrade Mac OS X
       tags:
         - darwin