deps: update dependency @testing-library/jest-dom to v6.9.0

Author: renovate[bot]

apps/clearance_ui/package.json

@@ -70,7 +70,7 @@
         "@next/eslint-plugin-next": "15.5.4",
         "@playwright/test": "1.55.1",
         "@tailwindcss/postcss": "^4.0.0",
-        "@testing-library/jest-dom": "6.6.4",
+        "@testing-library/jest-dom": "6.9.0",
         "@testing-library/react": "16.3.0",
         "@types/js-yaml": "4.0.9",
         "@types/lodash.debounce": "4.0.9",