change list task

Maintenance/maint-reboot-required.yaml

@@ -25,7 +25,7 @@
     
     - name: Get list of rebooted servers
       set_fact:
-        rebooted_servers: "{{ groups['all'] | intersect(reboot.results | selectattr('stat.exists') | map(attribute='ansible_host')) }}"
+        rebooted_servers: "{{ ansible_play_hosts | select('in', reboot) }}"
 
     - name: Send Teams notification
       run_once: true