switch: allow switch big clusters (more than 99 osds)

The current regex had a limitation of 99 OSDs, now this limit has been
removed and regardless the number of OSDs they will all be collected.

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1630430
Signed-off-by: Sébastien Han <seb@redhat.com>
(cherry picked from commit 9fccffa1ca)

infrastructure-playbooks/switch-from-non-containerized-to-containerized-ceph-daemons.yml

@@ -190,7 +190,7 @@
   pre_tasks:
     - name: collect running osds and ceph-disk unit(s)
       shell: |
-        systemctl list-units | grep "loaded active" | grep -Eo 'ceph-osd@[0-9]{1,2}.service|ceph-disk@dev-[a-z]{3,4}[0-9]{1}.service'
+        systemctl list-units | grep "loaded active" | grep -Eo 'ceph-osd@[0-9]+.service|ceph-disk@dev-[a-z]{3,4}[0-9]{1}.service'
       register: running_osds
       changed_when: false
       failed_when: false