Improve user print in log

tasks/whoami.yml

@@ -21,8 +21,8 @@
 
     - name: Who is «remote_user»?
       ansible.builtin.debug:
-        msg: "I am «{{ who_is_remote_user.stdout_lines }}»"
+        msg: "I am {{ who_is_remote_user.stdout_lines | join }}"
 
     - name: Who is «become_user»?
       ansible.builtin.debug:
-        msg: "I am {{ who_is_become_user.stdout_lines | flatten | first }}"
+        msg: "I am {{ who_is_become_user.stdout_lines | join }}"