feat: 🎸 Handle rate limiting (#3257)

✅ Closes: https://hashicorp.atlassian.net/browse/ICU-12035

addons/api/ember-cli-build.js

@@ -9,7 +9,11 @@ const EmberAddon = require('ember-cli/lib/broccoli/ember-addon');
 
 module.exports = function (defaults) {
   const app = new EmberAddon(defaults, {
-    // Add options here
+    babel: {
+      plugins: [
+        require.resolve('ember-concurrency/async-arrow-task-transform'),
+      ],
+    },
   });
 
   /*