fixup: keep images created less than 40 days ago

roles/gitlab/tasks/main.yml

@@ -102,6 +102,8 @@
 - name: prune unused docker images
   docker_prune:
     images: true
+    images_filters:
+      until: 960h
 
 - name: open firewall holes
   ansible.posix.firewalld: port={{ item }} permanent=true state=enabled immediate=yes