Update dependency @ember/optional-features to v2

Author: renovate-bot

package-lock.json

@@ -43,7 +43,7 @@
     "pretty-bytes": "5.3.0"
   },
   "devDependencies": {
-    "@ember/optional-features": "1.3.0",
+    "@ember/optional-features": "2.0.0",
     "@ember/render-modifiers": "1.0.2",
     "@glimmer/component": "1.0.1",
     "@glimmer/tracking": "1.0.1",