Allow `DateTimeImmutable` be part of composite key #42

	name: "Documentation"

	on:
	pull_request:
	branches:
	- "*.x"
	paths:
	- .github/workflows/documentation.yml
	- docs/**
	push:
	branches:
	- "*.x"
	paths:
	- .github/workflows/documentation.yml
	- docs/**

	jobs:
	validate-with-guides:
	name: "Validate documentation with phpDocumentor/guides"
	runs-on: "ubuntu-22.04"

	steps:
	- name: "Checkout code"
	uses: "actions/checkout@v3"

	- name: "Install PHP"
	uses: "shivammathur/setup-php@v2"
	with:
	coverage: "none"
	php-version: "8.2"

	- name: "Remove existing composer file"
	run: "rm composer.json"

	- name: "Require phpdocumentor/guides-cli"
	run: "composer require --dev phpdocumentor/guides-cli dev-main@dev --no-update"

	- name: "Configure minimum stability"
	run: "composer config minimum-stability dev"

	- name: "Install dependencies with Composer"
	uses: "ramsey/composer-install@v2"
	with:
	dependency-versions: "highest"

	- name: "Add dummy title to the sidebar"
	run: \|
	printf '%s\n%s\n\n%s\n' "Dummy title" "===========" "$(cat docs/en/sidebar.rst)" > docs/en/sidebar.rst

	- name: "Run guides-cli"
	run: "vendor/bin/guides -vvv --no-progress docs/en /tmp/test 2>&1 \| ( ! grep WARNING )"

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