fix broken packages

- standardize naming of each pkg append
- move _configured vars to end of block

tasks/pkgs/dust.yml

@@ -4,7 +4,7 @@
   when:
     - dust_configured is undefined
   block:
-    - name: Linux specific install
+    - name: Append du-dust to pkg_cargo
       when:
         - ansible_system == 'Linux'
       notify:
@@ -13,7 +13,7 @@
       ansible.builtin.set_fact:
         pkg_cargo: "{{ pkg_cargo + ['du-dust'] }}"
 
-    - name: Append to pkg_sys
+    - name: Append dust to pkg_sys
       when:
         - ansible_os_family == 'Darwin'
       ansible.builtin.set_fact: