Update dependency @vitejs/plugin-react to v6

Author: renovate[bot]

package.json

@@ -60,7 +60,7 @@
     "@total-typescript/tsconfig": "^1.0.4",
     "@types/react": "^19.2.6",
     "@types/react-dom": "^19.2.3",
-    "@vitejs/plugin-react": "^5.1.1",
+    "@vitejs/plugin-react": "^6.0.0",
     "jsdom": "^28.0.0",
     "tsup": "^8.5.1",
     "typescript": "^5.9.3",