CI: Update ceph-ansible to v5 - deploy Ceph Octopus

Change-Id: I2e736920f5b2cb4a78c2e6c216665394faf83001

tests/templates/ceph-ansible.j2

@@ -11,7 +11,7 @@ docker: true
 containerized_deployment: true
 container_binary: "docker"
 docker_pull_timeout: "600s"
-ceph_docker_image_tag: "latest-nautilus"
+ceph_docker_image_tag: "latest-octopus"
 
 dashboard_enabled: false
 

zuul.d/base.yaml

@@ -112,7 +112,7 @@
       ceph_osd_storetype: ceph-lvm
     required-projects:
       - name: github.com/ceph/ceph-ansible
-        override-checkout: v4.0.16
+        override-checkout: v5.0.0
 
 - job:
     name: kolla-ansible-masakari-base