drop pyheif-latest, test libheif 1.16.2 & 1.18.2 #88

	on: [push]

	jobs:
	build:
	runs-on: ubuntu-20.04
	timeout-minutes: 1
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.10'
	- name: Install dependencies
	run: pip install -r requirements-lint.txt
	- name: Lint
	run: make lint

Provide feedback