Replace tests.yml with ci.yml, introducing PHP CS Fixer and PHPStan jobs for improved code quality enforcement.

Author: yceruto

.github/workflows/ci.yml

@@ -0,0 +1,71 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  php-cs-fixer:
+    name: PHP CS Fixer
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.4'
+          coverage: none
+          tools: cs2pr
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
+      - name: Run PHP CS Fixer
+        run: vendor/bin/php-cs-fixer fix --dry-run --diff --format=checkstyle | cs2pr
+
+  phpstan:
+    name: PHPStan
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.4'
+          coverage: none
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
+      - name: Run PHPStan
+        run: vendor/bin/phpstan analyse --no-progress --error-format=github
+
+  tests:
+    name: Tests
+    runs-on: ubuntu-latest
+    needs: [php-cs-fixer, phpstan]
+
+    strategy:
+      matrix:
+        php: ['8.4']
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: none
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
+      - name: Run tests
+        run: vendor/bin/phpunit