Added phpstan & cs2pr to workflow

Author: SoftCreatR

.github/workflows/Test.yml

@@ -30,10 +30,13 @@ jobs:
           php-version: ${{ matrix.php }}
           extensions: json
           coverage: none
-          tools: phpunit
+          tools: cs2pr, phpstan, phpunit
         env:
           COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Run PHPStan
+        run: phpstan analyse --error-format=checkstyle src | cs2pr
+
       - name: Setup problem matchers for PHPUnit
         run: echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"