LiquidJS: `renderFile()` / `parseFile()` bypass configured `root` and allow arbitrary file read

liquidjs 10.25.0 documents root as constraining filenames passed to renderFile and parseFile, but top-level file loads do not enforce that boundary. The published npm package [email protected] on Linux 6.17.0 with Node v22.22.1. A Liquid instance configured with an empty temporary directory as roo...