build(deps-dev): bump @eslint/js from 9.39.5 to 10.0.1 in /client - #1589

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v4, cachix/cachix-action@v16. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/