[TASK] Raise phpstan to level 5 #3095

	name: build

	on:
	push:
	pull_request:
	schedule:
	- cron: '57 5 * * *'

	jobs:
	build:
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	php: ['8.2', '8.3', '8.4']

	steps:
	- uses: actions/checkout@v4

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php }}
	tools: composer:v2
	extensions: mbstring, json

	- name: Validate composer.json
	run: composer validate

	- name: Lint PHP
	run: \|
	find src/ tests/ -name '*.php' -print0 \| xargs -0 -n1 -P4 php -dxdebug.mode=off -l >/dev/null

	- name: Install dependencies
	run: COMPOSER_ROOT_VERSION=dev-main composer update

	- name: CGL check
	if: ${{ matrix.php <= '8.3' }}
	run: vendor/bin/php-cs-fixer fix -v --diff --dry-run --show-progress none

	- name: Phpstan
	if: ${{ matrix.php <= '8.3' }}
	run: vendor/bin/phpstan analyze --no-progress

	- name: Phpunit
	run: vendor/bin/phpunit

	- name: Documentation integrity
	run: \|
	FLUID_DOCUMENTATION_OUTPUT_DIR=Documentation/ViewHelpers vendor/bin/fluidDocumentation generate vendor/t3docs/fluid-documentation-generator/config/fluidStandalone/*
	git add Documentation/*; git status; git status \| grep -q "nothing to commit, working tree clean"

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