chore(deps): update dependency @testing-library/jest-dom to v6.6.3 (#752)

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

Author: renovate[bot]

package-lock.json

@@ -37,7 +37,7 @@
     "@edx/browserslist-config": "1.4.0",
     "@openedx/frontend-build": "14.2.2",
     "@openedx/paragon": "22.8.1",
-    "@testing-library/jest-dom": "6.5.0",
+    "@testing-library/jest-dom": "6.6.3",
     "@testing-library/react": "12.1.5",
     "@testing-library/react-hooks": "^8.0.1",
     "axios-mock-adapter": "^1.22.0",