Follow a refactor through

roles/custom/matrix-bridge-appservice-irc/tasks/setup_install.yml

@@ -168,8 +168,8 @@
         content: "{{ matrix_appservice_irc_jwk_result.container.Output }}"
         dest: "{{ matrix_appservice_irc_data_path }}/auth-media.jwk"
         mode: "0644"
-        owner: "{{ matrix_user_username }}"
-        group: "{{ matrix_user_groupname }}"
+        owner: "{{ matrix_user_name }}"
+        group: "{{ matrix_group_name }}"
 
 # In the past, we used to generate the passkey.pem file with root, so permissions may not be okay.
 # Fix it.