fix failing arm test

Author: kannon92

jobs/e2e_node/arm/image-config-serial.yaml

@@ -3,7 +3,7 @@
 # `gcloud compute --project <to-project> images create <image-name> --source-disk=<image-name>`
 images:
   ubuntu:
-    image_family: pipeline-1-34-amd64
+    image_family: pipeline-1-34-arm64
     machine: t2a-standard-2 # These tests need a lot of memory
     metadata: "user-data</home/prow/go/src/k8s.io/test-infra/jobs/e2e_node/arm/init.yaml,cni-template</home/prow/go/src/k8s.io/test-infra/jobs/e2e_node/containerd/cni.template,containerd-config</home/prow/go/src/k8s.io/test-infra/jobs/e2e_node/containerd/config-systemd.toml"
     project: ubuntu-os-gke-cloud