meta: bump @testing-library/jest-dom from 6.4.6 to 6.4.8 in the testing group (#6966)

meta: bump @testing-library/jest-dom in the testing group

Bumps the testing group with 1 update: [@testing-library/jest-dom](https://github.com/testing-library/jest-dom).


Updates `@testing-library/jest-dom` from 6.4.6 to 6.4.8
- [Release notes](https://github.com/testing-library/jest-dom/releases)
- [Changelog](https://github.com/testing-library/jest-dom/blob/main/CHANGELOG.md)
- [Commits](testing-library/jest-dom@v6.4.6...v6.4.8)

---
updated-dependencies:
- dependency-name: "@testing-library/jest-dom"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: testing
...

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

Author: dependabot[bot]

apps/site/package.json

@@ -94,7 +94,7 @@
     "@storybook/addon-themes": "~8.1.5",
     "@storybook/addon-viewport": "~8.1.5",
     "@storybook/nextjs": "~8.1.5",
-    "@testing-library/jest-dom": "~6.4.5",
+    "@testing-library/jest-dom": "~6.4.8",
     "@testing-library/react": "~16.0.0",
     "@testing-library/user-event": "~14.5.2",
     "@types/jest": "29.5.12",