Update entrypoints for pgproto
Summary
New features for pgproto entrypoints to support extended query.
Ensure that
-
New code is covered by tests -
API is documented -
Changelog is up to date [ ] (if Lua API changed) Lua API version is bumped inluamod.rs
[ ] (if necessary) A follow-up doc issue is created in picodata/docs and linked here
Edited by Maksim Kaitmazian