Update psr/http-message requirement from ^1.0 to ^1.0 || ^2.0 #42

	on: [ push, pull_request ]
	name: tests

	jobs:
	test:
	runs-on: ${{ matrix.operating-system }}
	strategy:
	matrix:
	operating-system: [ ubuntu-latest ]
	php-versions: [ 8, 7.4, 7.3, 7.2, 7.1 ]
	phpunit-versions: [ latest ]

	steps:
	- uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php-versions }}
	coverage: xdebug
	- uses: actions/checkout@v2

	- name: Get composer cache directory
	id: composer-cache
	run: echo "::set-output name=dir::$(composer config cache-files-dir)"

	- name: Cache dependencies
	uses: actions/cache@v2
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
	restore-keys: ${{ runner.os }}-composer-

	- name: Install dependencies
	run: composer install --prefer-dist

	- name: Run lint
	run: composer run lint

	- name: Run static analysis (phpstan)
	run: composer run phpstan

	- name: Run test
	run: composer run test

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