Bump @testing-library/react in /extensions/ql-vscode (#3390)

Bumps [@testing-library/react](https://github.com/testing-library/react-testing-library) from 14.1.2 to 14.2.1.
- [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@v14.1.2...v14.2.1)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

extensions/ql-vscode/package-lock.json

@@ -1995,7 +1995,7 @@
     "@storybook/theming": "^7.6.12",
     "@testing-library/dom": "^9.3.4",
     "@testing-library/jest-dom": "^6.4.2",
-    "@testing-library/react": "^14.0.0",
+    "@testing-library/react": "^14.2.1",
     "@testing-library/user-event": "^14.5.2",
     "@types/child-process-promise": "^2.2.1",
     "@types/d3": "^7.4.0",