Fix unit test using deprecated date format #2373

	# Syntax reference for this file:
	# https://help.github.com/en/articles/workflow-syntax-for-github-actions

	name: Documentation
	on: [push, pull_request]

	# https://gist.github.com/c-bata/ed5e7b7f8015502ee5092a3e77937c99
	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	# https://github.com/marketplace/actions/checkout
	- uses: actions/checkout@v2
	# https://github.com/marketplace/actions/setup-python
	# ^-- This gives info on matrix testing.
	- name: Install Python
	uses: actions/setup-python@v1
	with:
	python-version: 3.9
	# I don't know where the "run" thing is documented.
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install -r requirements-tools.txt
	- name: Build Sphinx docs
	working-directory: doc
	env:
	SPHINXOPTS: -W --keep-going
	run: \|
	make html
	- name: Check general doc coverage
	run: \|
	docstr-coverage . -e ".env\|migrations\|instance\|doc" -F 73
	- name: Check models doc coverage
	run: \|
	docstr-coverage collectives/models
	- name: Check utils doc coverage
	run: \|
	docstr-coverage collectives/utils
	- name: Check api doc coverage
	run: \|
	docstr-coverage collectives/api
	- name: Check routes doc coverage
	run: \|
	docstr-coverage collectives/routes

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