chore(deps): update dependency ember-load-initializers to v3

Author: renovate[bot]

packages/test-app/package.json

@@ -52,7 +52,7 @@
     "ember-cli-inject-live-reload": "2.1.0",
     "ember-data": "5.6.0",
     "ember-fetch": "8.1.2",
-    "ember-load-initializers": "2.1.2",
+    "ember-load-initializers": "3.0.1",
     "ember-modifier": "4.2.0",
     "ember-page-title": "8.2.4",
     "ember-qunit": "8.1.1",