Try git_config

tasks/dotfiles.yml

@@ -4,6 +4,7 @@
     name: user.name
     scope: global
     value: "{{ item.name }}"
+  become_user: "{{ item.name }}"
   with_items: "{{ me }}"
 
 - email: git config email
@@ -11,6 +12,7 @@
     email: user.email
     scope: global
     value: "{{ item.email }}"
+  become_user: "{{ item.name }}"
   with_items: "{{ me }}"
 
 - name: Copy urxvt Xdefault