[DEV-103519] Upgrade to Django 4.2. Switch from travis to GHA #16

	name: Run Tests and Linter

	on: [push, pull_request]

	jobs:
	lint-and-test:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: [3.8.18, 3.9.18, 3.10.13, 3.11.8]
	django-version: [3.2, 4.2]

	name: Lint and Test (Python ${{ matrix.python-version }} - Django ${{ matrix.django-version }})

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	pip install -q Django==${{ matrix.django-version }}
	pip install -e .[flake8,tests]

	- name: Add current directory to PYTHONPATH
	run: echo "PYTHONPATH=$PWD" >> $GITHUB_ENV

	- name: Lint with flake8
	run: flake8

	- name: Test with pytest
	run: pytest

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