Update dependency @vitejs/plugin-react to v6

Author: renovate[bot]

src/main/webapp/package.json

@@ -44,7 +44,7 @@
     "@types/node": "24.12.0",
     "@types/react": "19.2.14",
     "@types/react-dom": "19.2.3",
-    "@vitejs/plugin-react": "5.1.4",
+    "@vitejs/plugin-react": "6.0.5",
     "autoprefixer": "10.4.24",
     "eslint": "9.39.4",
     "eslint-plugin-react-hooks": "7.0.1",