Drop php < 8.1 support #101

	# yamllint disable rule:line-length
	# yamllint disable rule:braces

	name: Mutation Testing

	on:
	pull_request:
	push:
	branches:
	- main
	- master

	jobs:
	mutation-testing:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	operating-system: [ ubuntu-latest ]
	php-version: [ '8.1' ]
	coverage-driver: [ pcov ]

	name: Mutation testing with PHP ${{ matrix.php-version }}, using ${{ matrix.coverage-driver }}

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php-version }}
	coverage: ${{ matrix.coverage-driver }}
	tools: composer: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: ${{ steps.composer-cache.outputs.dir }}
	key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}
	restore-keys: \|
	composer-${{ runner.os }}-${{ matrix.php-version }}-
	composer-${{ runner.os }}-
	composer-

	- name: Install dependencies
	run: composer install --no-interaction --no-progress --prefer-dist

	- name: Run Infection
	run: make infection

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