chore(deps): update dependency @testing-library/jest-dom to v6.6.4 (#1243)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -70,7 +70,7 @@
     "@edx/browserslist-config": "^1.1.1",
     "@edx/reactifex": "2.2.0",
     "@openedx/frontend-build": "^14.3.3",
-    "@testing-library/jest-dom": "6.6.3",
+    "@testing-library/jest-dom": "6.6.4",
     "@testing-library/react": "14.3.1",
     "glob": "11.0.3",
     "reactifex": "1.1.1",