Adapt CI to use Docker container for Python 2.7 testing, add Python 3.11 support, and fix MIME type detection #68

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

	name: Python Testing

	on:
	push:
	branches: [ "master" ]
	pull_request:
	branches: [ "master" ]

	jobs:
	test-python3:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.11
	uses: actions/setup-python@v4
	with:
	python-version: "3.11"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements-dev.txt
	pip install -e .
	- name: Tests
	run: \|
	mamba

	test-python2:
	runs-on: ubuntu-latest
	container: python:2.7-slim
	steps:
	- uses: actions/checkout@v3
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements-dev.txt
	pip install -e .
	- name: Tests
	run: \|
	mamba

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