[ATMOSPHERE-576][stable/2024.1] Fix atmosphere_ceph_enabled is not re…

…spected in site playbook (#2127)

This is an automated cherry-pick of #2101
/assign larainema
Depends-On: #2133

playbooks/site.yml

@@ -14,6 +14,7 @@
 
 - name: Install Ceph
   import_playbook: vexxhost.atmosphere.ceph
+  when: atmosphere_ceph_enabled | default(true) | bool
 
 - name: Install Kubernetes
   import_playbook: vexxhost.atmosphere.kubernetes