Add CI: workflow/php-stan.yml

.github/workflows/php-stan.yml

@@ -0,0 +1,46 @@
+name: PHPStan
+
+on:
+  push:
+    branches:
+      - master
+      - '*.x'
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: true
+      matrix:
+        php: ['8.0', '8.1', '8.2']
+        symfony: ['6.3']
+        stability: [ prefer-stable ]
+
+    name: PHP ${{ matrix.php }} - Symfony ${{ matrix.symfony }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-version }}
+          ini-values: error_reporting=E_ALL
+          tools: composer:v2
+          coverage: none
+
+      - name: Install dependencies
+        uses: nick-fields/retry@v2
+        with:
+          timeout_minutes: 5
+          max_attempts: 5
+          command: composer update --${{ matrix.stability }} --prefer-dist --no-interaction --no-progress
+
+      - name: Execute phpstan
+        run: vendor/bin/phpstan