ci(hot-cluster): use COS standard plan ID for unambiguous creation

Use the plan ID (744bfc56-d12c-4866-88d5-dac9139e0e5d) instead of the
plan name to avoid interactive prompts or name resolution issues.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: galkremer1

.github/workflows/ibmc-cluster-setup.yml

@@ -247,8 +247,9 @@ jobs:
 
             if [[ -z "${COS_CRN}" ]]; then
               echo "Creating COS instance '${COS_INSTANCE_NAME}'..."
+              # Use plan ID to avoid interactive prompts (744bfc56... = standard plan)
               ibmcloud resource service-instance-create "${COS_INSTANCE_NAME}" cloud-object-storage \
-                premium-global-deployment global
+                744bfc56-d12c-4866-88d5-dac9139e0e5d global
               COS_CRN=$(ibmcloud resource service-instances --service-name cloud-object-storage --output json \
                 | jq -r --arg n "${COS_INSTANCE_NAME}" '.[] | select(.name == $n) | .crn')
               echo "Created COS instance: ${COS_CRN}"