Bump actions/checkout from 3.5.3 to 3.6.0 #187

	name: CI
	on:
	pull_request:
	branches:
	- master

	jobs:
	main:
	name: Sanity checks before a PR merge
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
	with:
	fetch-depth: 0 # we want all refs for the --is-ancestor check

	- name: Set up Python
	uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1
	with:
	python-version: '3.10'
	cache: pip

	- name: Ensure changes build
	run: \|
	python -m pip install -r requirements.txt
	mkdir build && cd build
	make -f ../Makefile spec

	- name: Check date and version
	run: python check_release.py

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