fix prember for embroider

Author: mansona

ember-cli-build.js

@@ -72,5 +72,5 @@ module.exports = function (defaults) {
     staticComponents: true,
   });
 
-  return mergeTrees([appTree, mappingsTree]);
+  return mergeTrees([require('prember').prerender(app, appTree), mappingsTree]);
 };

package-lock.json

@@ -77,7 +77,7 @@
     "ember-cli-deploy-gzip": "^1.0.0",
     "ember-cli-deprecation-workflow": "^2.1.0",
     "ember-cli-document-title-northm": "^1.0.3",
-    "ember-cli-fastboot": "^3.3.2",
+    "ember-cli-fastboot": "^4.1.2",
     "ember-cli-htmlbars": "^6.1.1",
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-meta-tags": "^7.0.0",
@@ -131,7 +131,7 @@
     "node-sass": "^9.0.0",
     "normalize.css": "^8.0.1",
     "npm-run-all": "^4.1.5",
-    "prember": "^1.1.1",
+    "prember": "^2.0.0",
     "prettier": "^2.5.1",
     "qunit": "^2.17.2",
     "qunit-dom": "^1.6.0",