fix: prioritize headers set by the `Response` class #5651

	name: Psalm

	on:
	pull_request:
	branches:
	- develop
	- '4.*'
	paths:
	- '**.php'
	- 'composer.*'
	- 'psalm*'
	- '.github/workflows/test-psalm.yml'
	push:
	branches:
	- develop
	- '4.*'
	paths:
	- '**.php'
	- 'composer.*'
	- 'psalm*'
	- '.github/workflows/test-psalm.yml'

	jobs:
	build:
	name: Psalm Analysis
	runs-on: ubuntu-latest
	if: (! contains(github.event.head_commit.message, '[ci skip]'))

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

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: '8.1'
	extensions: intl, json, mbstring, xml, mysqli, oci8, pgsql, sqlsrv, sqlite3
	coverage: none
	env:
	COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Get composer cache directory
	run: echo "COMPOSER_CACHE_FILES_DIR=$(composer config cache-files-dir)" >> $GITHUB_ENV

	- name: Cache composer dependencies
	uses: actions/cache@v4
	with:
	path: ${{ env.COMPOSER_CACHE_FILES_DIR }}
	key: ${{ runner.os }}-composer-${{ hashFiles('/composer.json') }}-${{ hashFiles('/composer.lock') }}
	restore-keys: ${{ runner.os }}-composer-

	- name: Create Psalm cache directory
	run: mkdir -p build/psalm

	- name: Cache Psalm results
	uses: actions/cache@v4
	with:
	path: build/psalm
	key: ${{ runner.os }}-psalm-${{ github.sha }}
	restore-keys: ${{ runner.os }}-psalm-

	- name: Install dependencies
	run: \|
	if [ -f composer.lock ]; then
	composer install --no-progress
	else
	composer update --no-progress
	fi

	- name: Run Psalm analysis
	run: utils/vendor/bin/psalm

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