chore(deps): update dependency @vitejs/plugin-react to v5

Author: renovate[bot]

apps/penpal/frontend/package.json

@@ -37,7 +37,7 @@
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
     "@types/unist": "^3.0.3",
-    "@vitejs/plugin-react": "^4.3.0",
+    "@vitejs/plugin-react": "^5.0.0",
     "autoprefixer": "^10.4.0",
     "eslint": "^9.0.0",
     "jsdom": "^25.0.1",