fix: phpstan error with return types #9

	name: PHP Composer

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	permissions:
	contents: read

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	php-versions: ['8.0', '8.1', '8.2']

	steps:
	- uses: actions/checkout@v4

	- name: Install PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php-versions }}

	- name: Validate composer.json and composer.lock
	run: composer validate --strict

	- name: Cache Composer packages
	id: composer-cache
	uses: actions/cache@v3
	with:
	path: vendor
	key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
	restore-keys: \|
	${{ runner.os }}-php-

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

	- name: Run phpcs
	run: composer run-script phpcs

	- name: Run phpstan
	run: composer run-script phpstan

	- name: Run test suite
	run: composer run-script test

Provide feedback