deploy pods to amd64 node

infrastructures/argo-events/env/k3s-cluster/examples/webhook.yaml

@@ -37,6 +37,9 @@ spec:
                       image: docker/whalesay:latest
                       command: [cowsay]
                       args: ["{{inputs.parameters.message}}"]
+                    nodeSelector:
+                      kubernetes.io/os: linux
+                      kubernetes.io/arch: amd64
           parameters:
             - src:
                 dependencyName: test-dep