Do not use ‘yes/no’ for boolean values (#11472)

Consistent boolean values in ansible playbooks

roles/upgrade/post-upgrade/tasks/main.yml

@@ -13,7 +13,7 @@
 
 - name: Confirm node uncordon
   pause:
-    echo: yes
+    echo: true
     prompt: "Ready to uncordon node?"
   when:
     - upgrade_node_post_upgrade_confirm

roles/upgrade/pre-upgrade/tasks/main.yml

@@ -2,7 +2,7 @@
 # Wait for upgrade
 - name: Confirm node upgrade
   pause:
-    echo: yes
+    echo: true
     prompt: "Ready to upgrade node? (Press Enter to continue or Ctrl+C for other options)"
   when:
     - upgrade_node_confirm