Update dependency @ember/optional-features to v2.2.0 (#605)

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

Author: renovate[bot]

package.json

@@ -28,7 +28,7 @@
     "ember-cli-babel": "^7.26.11"
   },
   "devDependencies": {
-    "@ember/optional-features": "2.1.0",
+    "@ember/optional-features": "2.2.0",
     "@ember/string": "3.1.1",
     "@ember/test-helpers": "3.3.1",
     "@embroider/test-setup": "3.0.3",