fix(thrift): sign-extend negative I64 on read; support bigint/BOOL/BYTE/I16 collection elements - #217

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, denoland/setup-deno@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/