[TIDY] Update to ansible 4 module names

tasks/usersetup-Darwin.yml

@@ -3,20 +3,20 @@
 # Will run once per user, because of lockfile `~/.ansbl-common-usersetup`
 
 - name: usersetup - Check, if usersetup already ran
-  stat:
+  ansible.builtin.stat:
     path: .ansbl-common-usersetup
   register: common_usersetup
 
 - name: usersetup - Change login shell to zsh for current user
   become: yes
-  user:
+  ansible.builtin.user:
     name: "{{ ansible_user_id }}"
     shell: /bin/zsh
   when:
     - common_usersetup.stat.exists == false and usersetup_chsh == true
 
 - name: usersetup - Create lockfile
-  file:
+  ansible.builtin.file:
     path: .ansbl-common-usersetup
     state: touch
   when: