Add nextcloud_redis_password to stackspin-nextcloud-variables template

areas/apps/templates/stackspin-nextcloud-variables.yaml.jinja

@@ -7,6 +7,7 @@ data:
   nextcloud_password: "{{ 32 | generate_password | b64encode }}"
   nextcloud_mariadb_password: "{{ 32 | generate_password | b64encode }}"
   nextcloud_mariadb_root_password: "{{ 32 | generate_password | b64encode }}"
+  nextcloud_redis_password: "{{ 32 | generate_password | b64encode }}"
   onlyoffice_database_password: "{{ 32 | generate_password | b64encode }}"
   onlyoffice_jwt_secret: "{{ 32 | generate_password | b64encode }}"
   onlyoffice_rabbitmq_password: "{{ 32 | generate_password | b64encode }}"