chore(deps): update dependency ember-source to v4

Author: renovate-bot

package.json

@@ -53,7 +53,7 @@
     "ember-maybe-import-regenerator": "0.1.6",
     "ember-qunit": "5.1.5",
     "ember-resolver": "8.0.3",
-    "ember-source": "3.28.6",
+    "ember-source": "4.0.0",
     "ember-try": "1.4.0",
     "ember-welcome-page": "4.1.0",
     "eslint-plugin-ember": "10.5.7",