Fix containerd for arm64

Author: sl1pm4t

images/capi/packer/ami/flatcar-arm64.json

@@ -7,6 +7,7 @@
   "arch": "arm64",
   "build_name": "flatcar-{{env `FLATCAR_CHANNEL`}}",
   "builder_instance_type": "t4g.small",
+  "containerd_arch": "arm64",
   "crictl_arch": "arm64",
   "crictl_source_type": "http",
   "distribution": "flatcar",

images/capi/packer/ami/packer.json

@@ -204,10 +204,11 @@
     "aws_session_token": "",
     "build_timestamp": "{{timestamp}}",
     "builder_instance_type": "m6a.xlarge",
+    "containerd_arch": "amd64",
     "containerd_gvisor_runtime": "false",
     "containerd_gvisor_version": "latest",
     "containerd_sha256": null,
-    "containerd_url": "https://github.com/containerd/containerd/releases/download/v{{user `containerd_version`}}/cri-containerd-cni-{{user `containerd_version`}}-linux-amd64.tar.gz",
+    "containerd_url": "https://github.com/containerd/containerd/releases/download/v{{user `containerd_version`}}/cri-containerd-cni-{{user `containerd_version`}}-linux-{{user `containerd_arch`}}.tar.gz",
     "containerd_version": null,
     "crictl_url": "https://github.com/kubernetes-sigs/cri-tools/releases/download/v{{user `crictl_version`}}/crictl-v{{user `crictl_version`}}-linux-amd64.tar.gz",
     "crictl_version": null,