Update configmap name so XPK provisioned jobs can find it

community/examples/xpk-gke-a3-megagpu.yaml

@@ -123,4 +123,4 @@ deployment_groups:
     settings:
       apply_manifests:
       - source: $(ghpc_stage("xpk-gke-a3-megagpu-files"))/config-map.yaml.tftpl
-        template_vars: {name: "xpk-gke-a3-megagpu-resources-configmap", num_nodes: "4"}
+        template_vars: {name: "$(vars.deployment_name)-resources-configmap", num_nodes: "4"}