node-installer: pull spin-rust-hello image for K3s integration test

Signed-off-by: Jiaxiao (mossaka) Zhou <[email protected]>

Author: Mossaka

node-installer/integration-test-k3s.sh

@@ -59,6 +59,7 @@ if ! kubectl get pods -n kwasm | grep -q "k3s-provision-kwasm.*Completed"; then
 fi
 
 echo "=== Step 4: Apply the workload ==="
+sudo k3s ctr images pull ghcr.io/spinkube/containerd-shim-spin/examples/spin-rust-hello:v0.18.0
 kubectl apply -f ../deployments/workloads/workload.yaml
 
 echo "Waiting for deployment to be ready..."