chore: bump @testing-library/jest-dom from 6.4.6 to 6.6.3 in /site

Bumps [@testing-library/jest-dom](https://github.com/testing-library/jest-dom) from 6.4.6 to 6.6.3.
- [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...v6.6.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

site/package.json

@@ -118,7 +118,7 @@
 		"@storybook/test": "8.1.11",
 		"@swc/core": "1.3.38",
 		"@swc/jest": "0.2.36",
-		"@testing-library/jest-dom": "6.4.6",
+		"@testing-library/jest-dom": "6.6.3",
 		"@testing-library/react": "14.3.1",
 		"@testing-library/react-hooks": "8.0.1",
 		"@testing-library/user-event": "14.5.1",