Update Lint.yml

https://github.com/opencart/opencart/blob/master/.github/workflows/Lint.yml#L57-L58

Author: condor2

.github/workflows/Lint.yml

@@ -57,3 +57,6 @@ jobs:
         run: |
           php tools/php-cs-fixer.phar fix --dry-run --diff --ansi || true
           php tools/php-cs-fixer.phar fix --dry-run --format=checkstyle | cs2pr
+
+      - name: Run PHPStan
+        run: php tools/phpstan.phar analyze --no-progress