wip: test multi-arch angular build

angular-ui/Jenkinsfile

@@ -3,7 +3,21 @@ pipeline {
     string(name: 'platform', defaultValue: 'linux/amd64', description: 'A comma separated list of platforms to build the container image for (e.g., linux/amd64,linux/arm64).')
   }
 
-  agent none
+  agent {
+    kubernetes {
+      yaml """
+      apiVersion: v1
+      kind: Pod
+      spec:
+        restartPolicy: Never
+        containers:
+        - name: build
+          image: artifactory.cloud.cms.gov/docker/library/node:18-alpine
+          imagePullPolicy: Always
+          command: ['tail', '-f', '/dev/null']
+      """
+    }
+  }
 
   stages {
     stage('Build linux/arm64 Image') {
@@ -69,7 +83,6 @@ pipeline {
     }
 
     stage('Test') {
-      agent any
       parallel {
         stage('Unit Test') {
           steps {
@@ -111,7 +124,6 @@ pipeline {
     }
 
     stage('Delivery') {
-      agent any
       steps {
         build(job: 'Angular UI Delivery', wait: true, propagate: true, parameters: [
           string(name: 'tag', value: "${GIT_COMMIT[0..7]}"),