Fix package become & use package name lists

tasks.yaml

@@ -1,19 +1,19 @@
 ---
 - name: zsh install packages
+  become: '{{package_become}}'
   package:
     name: zsh
     state: present
 
 - name: zsh install Debian packages
   when: ansible_os_family == "Debian"
-  apt:
-    name: '{{item}}'
-    state: present
   become: true
-  with_items:
+  apt:
+    name:
       - zsh-doc
       - pinentry-curses
       - unzip
+    state: present
 
 - name: zsh clone plugin repos
   git: