fix: issue where task wasnt properly registered

Author: shleewhite

website/ember-cli-build.js

@@ -13,6 +13,11 @@ module.exports = function (defaults) {
   const app = new EmberApp(defaults, {
     'ember-cli-babel': { enableTypeScriptTransform: true },
     // Add options here
+    babel: {
+      plugins: [
+        require.resolve("ember-concurrency/async-arrow-task-transform"),
+      ],
+    },
     sassOptions: {
       precision: 4,
       includePaths: [