Update the python version to `>=3.8,<3.13` #124

	name: build
	on: [pull_request, push]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
	steps:
	- uses: actions/checkout@v2
	- run: \|
	docker build -f py.Dockerfile \
	--build-arg PYTHON_VERSION=${{ matrix.python-version }} \
	--tag gym-miniworld-docker .
	- name: Run tests
	run: docker run gym-miniworld-docker pytest

	# Old Travis testing

	# Test the simulator
	# xvfb-run -a -s "-screen 0 1024x768x24 -ac +extension GLX +render -noreset" ./run_tests.py
	#
	# Test RL code quickly
	# cd pytorch-a2c-ppo-acktr && xvfb-run -a -s "-screen 0 1024x768x24 -ac +extension GLX +render -noreset" time python3 main.py --no-cuda --algo a2c --log-interval 1 --num-frames 200 --num-processes 1 --num-steps 80 --lr 0.00005 --env-name MiniWorld-Hallway-v0

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