Bump @types/testing-library__jest-dom in /src/Elastic.Documentation.Site (#1676)

Bumps [@types/testing-library__jest-dom](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/testing-library__jest-dom) from 5.14.9 to 6.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/testing-library__jest-dom)

---
updated-dependencies:
- dependency-name: "@types/testing-library__jest-dom"
  dependency-version: 6.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src/Elastic.Documentation.Site/package-lock.json

@@ -46,7 +46,7 @@
     "@testing-library/user-event": "14.6.1",
     "@trivago/prettier-plugin-sort-imports": "5.2.2",
     "@types/jest": "30.0.0",
-    "@types/testing-library__jest-dom": "5.14.9",
+    "@types/testing-library__jest-dom": "6.0.0",
     "babel-jest": "29.7.0",
     "eslint": "9.32.0",
     "globals": "16.3.0",