bump actions/cache to v4 #345

	name: Style

	on:
	pull_request:
	push:
	branches-ignore: [master]

	jobs:
	style:
	name: Style

	runs-on: ubuntu-latest

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

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: '8.1'
	coverage: none

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

	- name: Cache Composer dependencies
	uses: actions/cache@v4
	with:
	path: ${{ steps.composer-cache-dir.outputs.path }}
	key: composer-${{ hashFiles('composer.lock') }}
	restore-keys: composer-

	- name: PHP-CS-Fixer cache
	uses: actions/cache@v4
	with:
	path: .cache/.php-cs-fixer.cache
	key: php-cs-fixer-${{ github.sha }}
	restore-keys: php-cs-fixer-

	- name: Install Composer dependencies
	run: composer install

	- name: Run PHP-CS-Fixer
	run: vendor/bin/php-cs-fixer fix --dry-run --diff --no-interaction

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