chore(deps-dev): bump @testing-library/react from 12.1.5 to 16.3.0

Bumps [@testing-library/react](https://github.com/testing-library/react-testing-library) from 12.1.5 to 16.3.0.
- [Release notes](https://github.com/testing-library/react-testing-library/releases)
- [Changelog](https://github.com/testing-library/react-testing-library/blob/main/CHANGELOG.md)
- [Commits](testing-library/react-testing-library@v12.1.5...v16.3.0)

---
updated-dependencies:
- dependency-name: "@testing-library/react"
  dependency-version: 16.3.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

packages/contentful--react-apps-toolkit/package-lock.json

@@ -36,7 +36,7 @@
   },
   "devDependencies": {
     "@contentful/app-sdk": ">=4.0.0",
-    "@testing-library/react": "12.1.5",
+    "@testing-library/react": "16.3.0",
     "@testing-library/react-hooks": "8.0.1",
     "@types/jest": "27.4.0",
     "@types/react": "17.0.2",