fix: use mirror-aware crictl prepulls

ansible/roles/rancher-image-prepull/tasks/main.yml

@@ -1,7 +1,7 @@
 ---
 - name: Pull Rancher images into containerd
   shell: |
-    if /usr/local/bin/ctr -n k8s.io images ls -q | grep -Fx -- "{{ item }}" >/dev/null; then
+    if /usr/local/bin/k3s crictl inspecti "{{ item }}" >/dev/null 2>&1; then
       echo "already present"
       exit 0
     fi
@@ -11,7 +11,7 @@
 
     for attempt in 1 2 3 4 5 6 7 8 9 10; do
       echo "pull attempt ${attempt}: {{ item }}"
-      if timeout 240s /usr/local/bin/ctr -n k8s.io images pull "{{ item }}"; then
+      if timeout 240s /usr/local/bin/k3s crictl pull "{{ item }}"; then
         echo "pulled image"
         exit 0
       fi