Update dependency @ember/optional-features to v3 (#122)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -43,7 +43,7 @@
   "devDependencies": {
     "@babel/eslint-parser": "7.28.6",
     "@babel/plugin-proposal-decorators": "7.29.0",
-    "@ember/optional-features": "2.3.0",
+    "@ember/optional-features": "3.0.0",
     "@ember/string": "4.0.1",
     "@ember/test-helpers": "5.4.1",
     "@embroider/macros": "1.20.1",