Make sure php_fpm_pool_user and _group are updated in config.

tasks/configure-fpm.yml

@@ -49,6 +49,10 @@
     line: "{{ item.line }}"
     state: present
   with_items:
+    - regexp: "^user.?=.+$"
+      line: "user = {{ php_fpm_pool_user }}"
+    - regexp: "^group.?=.+$"
+      line: "group = {{ php_fpm_pool_group }}"
     - regexp: "^listen.?=.+$"
       line: "listen = {{ php_fpm_listen }}"
     - regexp: '^listen\.allowed_clients.?=.+$'