Update main version for 1.20 #383

	name: Run API unit tests
	on:
	[push, pull_request]
	jobs:
	run-tests:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- uses: actions/setup-python@v4
	with:
	python-version: '3.9'
	- name: install
	run: \|
	echo `python3 --version`
	cd torch_ort
	python3 -m pip install --upgrade protobuf==3.20.2
	python3 -m pip install --pre onnxruntime-training --no-cache-dir -f https://download.onnxruntime.ai/onnxruntime_nightly_cpu.html
	python3 -m pip install torch==1.13.1+cpu -f https://download.pytorch.org/whl/torch_stable.html
	python3 setup.py install --prefix=/tmp
	python3 -m torch_ort.configure
	python3 -m pip install pytest
	- name: Print test message
	run: echo Running torch-ort API unit tests
	- name: Run tests
	run: \|
	echo `python3 --version`
	cd torch_ort
	python -m pytest -sv tests/torch-ort_test_api.py
	python -m pytest -sv tests/experimental/torch_ort_graph_config_tests.py
	python -m pytest -sv tests/experimental/torch_ort_json_config_tests.py

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