Use stackhpc/2024.1 terraform-kayobe-multinode

The stackhpc/2024.1 terraform-kayobe-multinode supports Caracal or older
OpenStack deployment

Author: seunghun1ee

.github/workflows/stackhpc-multinode.yml

@@ -52,7 +52,7 @@ name: Multinode
       terraform_kayobe_multinode_version:
         description: terraform-kayobe-multinode version
         type: string
-        default: main
+        default: stackhpc/2024.1 # This branch is targeted to be compatible with Caracal or older OpenStack releases
 jobs:
   multinode:
     name: Multinode