v26.3.0
src: use `Utf8Value` and `TwoByteValue` instead of V8 helpers
src: use `Global` for storing resource in Node-API callback scope
src: initial enablement of IsolateGroups
src: fixup errorhandling more in various places
src: expose `node::RegisterContext` to make a node managed context
src: fix winapi_strerror error string
src: cleanup unused headers