Fix the Embroider smoke tests

This pins the Embroider packages to the latest version the smoke test app supports without code changes. The new releases only support Vite.

Author: Windvis

pnpm-lock.yaml

@@ -2,9 +2,9 @@
   "name": "ember-source-scenarios",
   "private": true,
   "devDependencies": {
-    "@embroider/compat": "npm:@embroider/compat@latest",
-    "@embroider/core": "npm:@embroider/core@latest",
-    "@embroider/webpack": "npm:@embroider/webpack@latest",
+    "@embroider/compat": "^3.9.0",
+    "@embroider/core": "^3.5.6",
+    "@embroider/webpack": "^4.1.0",
     "@swc-node/register": "^1.6.8",
     "@swc/core": "^1.4.17",
     "@swc/types": "^0.1.6",