Hedgedoc: Add missing backups tasks before updating container.

roles/hedgedoc/tasks/update.yml

@@ -43,6 +43,12 @@
     hedgedoc_pulled_images: "{{ hedgedoc_pulled_images | default([]) + [item.pulled_image.name] }}"
   loop: "{{ hedgedoc_docker_compose_pull_result['actions'] | default([]) | selectattr('pulled_image', 'defined') }}"
 
+- name: Include backup tasks
+  include_tasks:
+    file: backup.yml
+  # Make a backup if we didn't already make one and we pulled a new image
+  when: not run_backup and hedgedoc_pulled_images is defined
+
 - name: Create/Restart project services
   community.docker.docker_compose:
     project_src: "{{ hedgedoc_project_dir }}"