chore(deps): update dependency @openedx/frontend-build to v14.2.0

Author: renovate[bot]

package-lock.json

@@ -69,7 +69,7 @@
   },
   "devDependencies": {
     "@edx/reactifex": "^2.1.1",
-    "@openedx/frontend-build": "14.1.5",
+    "@openedx/frontend-build": "14.2.0",
     "@testing-library/jest-dom": "^5.14.1",
     "@testing-library/react": "^12.1.0",
     "copy-webpack-plugin": "^12.0.0",