Widen peerDependencies to allow Ember v6

package.json

@@ -79,7 +79,7 @@
     "webpack": "^5.89.0"
   },
   "peerDependencies": {
-    "ember-source": "~3.28.0 || ^4.0.0 || ^5.0.0"
+    "ember-source": "~3.28.0 || ^4.0.0 || >= 5.0.0"
   },
   "engines": {
     "node": ">= 14"