Merge pull request #951 from ymyzk/dependabot/npm_and_yarn/app/frontend/testing-library/jest-dom-6.6.4

Bump @testing-library/jest-dom from 6.6.3 to 6.6.4 in /app/frontend

Author: github-actions[bot]

app/frontend/package-lock.json

@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@testing-library/dom": "^10.4.0",
-    "@testing-library/jest-dom": "^6.6.3",
+    "@testing-library/jest-dom": "^6.6.4",
     "@testing-library/react": "^16.3.0",
     "@types/jest": "^30.0.0",
     "@types/node": "^24.0.13",