fix: upgrade @testing-library/jest-dom from 6.4.5 to 6.4.6

Snyk has created this PR to upgrade @testing-library/jest-dom from 6.4.5 to 6.4.6.

See this package in npm:
@testing-library/jest-dom

See this project in Snyk:
https://app.snyk.io/org/soham2008xyz/project/db7af716-4daf-45da-a3ee-7d960b01f436?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

frontend/package-lock.json

@@ -5,7 +5,7 @@
   "dependencies": {
     "@onflow/fcl": "1.10.2",
     "@onflow/types": "1.4.0",
-    "@testing-library/jest-dom": "^6.4.5",
+    "@testing-library/jest-dom": "^6.4.6",
     "@testing-library/react": "^14.2.2",
     "@testing-library/user-event": "^14.5.2",
     "react": "^18.3.1",