Add support for to_substrait and from_substrait for virtual table exp… #1457

	on: [push, pull_request,repository_dispatch]

	defaults:
	run:
	shell: bash

	jobs:
	python:
	name: Python
	runs-on: macos-latest
	env:
	GEN: ninja

	steps:
	- name: Install Ninja
	run: brew install ninja

	- uses: actions/checkout@v2
	with:
	fetch-depth: 0
	submodules: true

	- uses: actions/setup-python@v2
	with:
	python-version: '3.11'

	- name: Build DuckDB (Python)
	run: \|
	cd duckdb/tools/pythonpkg
	python3 -m pip install .

	- name: Build Substrait
	run: make release

	- name: Install Python Dependencies
	shell: bash
	run: \|
	pip install -r test/python/requirements-dev.txt
	pip uninstall protobuf -y
	pip install --no-binary protobuf protobuf

	- name: Test Python
	run: \|
	(cd test/python && python -m pytest)

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