fix(deps): update dependency ember-cli-typescript to ^4.2.1

Author: renovate-bot

package-lock.json

@@ -31,7 +31,7 @@
     "@ember/test-waiters": "^2.4.4",
     "ember-cli-babel": "^7.26.6",
     "ember-cli-htmlbars": "^5.7.1",
-    "ember-cli-typescript": "^4.2.0"
+    "ember-cli-typescript": "^4.2.1"
   },
   "devDependencies": {
     "@commitlint/cli": "^12.1.4",