changing node flavour..otherwise update won't work

CICD/heat/mgmtnode_HOT.yaml

@@ -25,7 +25,7 @@ resources:
     type: OS::Nova::Server
     properties:
       #availability_zone: { get_param: avz }
-      flavor: t3.xsmall
+      flavor: m3.xsmall
       image: { get_param: image }
       key_name: { get_param: ssh_key }
       security_groups: { get_param: security_groups }