chore(deps-dev): Bump @testing-library/jest-dom from 6.2.1 to 6.4.2

[v-sharmachir]

Details

Bumps @testing-library/jest-dom from 6.2.1 to 6.4.2.

Motivation

(https://github.com/microsoft/accessibility-insights-web/pull/7234) the ClearlyDefined check was failing due to ClearlyDefined does not have a definition for this package version.

Context

Pull request checklist

• [x] Addresses an existing issue: #7234
• [x] Ran yarn fastpass
• [na] Added/updated relevant unit test(s) (and ran yarn test)
• [x] Verified code coverage for the changes made. Check coverage report at: <rootDir>/test-results/unit/coverage
• [x] PR title AND final merge commit title both start with a semantic tag (fix:, chore:, feat(feature-name):, refactor:). See CONTRIBUTING.md.
• [na] (UI changes only) Added screenshots/GIFs to description above
• [na] (UI changes only) Verified usability with NVDA/JAWS