feat: upgrade @testing-library/react from 12.1.5 to 16.0.0

Snyk has created this PR to upgrade @testing-library/react from 12.1.5 to 16.0.0.

See this package in npm:
@testing-library/react

See this project in Snyk:
https://app.snyk.io/org/ramyromel/project/006317d2-b73d-4ad0-b1d7-0dde101609f1?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -46,7 +46,7 @@
     "@octokit/rest": "^20.1.1",
     "@polkadot/api": "^11.2.1",
     "@testing-library/jest-dom": "^6.4.5",
-    "@testing-library/react": "^12.0.4",
+    "@testing-library/react": "^16.0.0",
     "axios": "^1.7.2",
     "cloudflare": "^3.2.0",
     "cross-env": "^7.0.3",