Implement SQLite functions and aggregates, update SQLite encoder and decoder APIs - #62

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache/restore@v4, actions/checkout@v4, DeterminateSystems/nix-installer-action@e50d5f73bfe71c2dd0aa4218de8f4afa59f8f81d. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Failed to save: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0k5uXagAAAADNLE6Bc1E8S6pAn5uQMOrrTEFYMzExMDAwMTA5MDM1AEVkZ2U=