chore(deps): update dependency @vitejs/plugin-react to v6 (#426)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -89,7 +89,7 @@
     "@types/pg": "^8.11.12",
     "@types/react": "^19",
     "@types/react-dom": "^19",
-    "@vitejs/plugin-react": "^5.1.1",
+    "@vitejs/plugin-react": "^6.0.0",
     "@vitest/coverage-v8": "^4.0.8",
     "babel-plugin-react-compiler": "1.0.0",
     "concurrently": "^9.2.1",