Update paths to include packages directory in PHP-CS-Fixer and PHPStan configurations

- Added `packages/` directory to `.php-cs-fixer.dist.php` finder paths.
- Added `packages/` directory to `phpstan.dist.neon` paths.

.php-cs-fixer.dist.php

@@ -14,6 +14,7 @@ $finder = PhpCsFixer\Finder::create();
 $finder
     ->in(__DIR__.'/src')
     ->in(__DIR__.'/utils')
+    ->in(__DIR__.'/packages')
     ->append([__FILE__])
     ->exclude(['docs/', 'tests/app'])
     ->notPath('tests/app')

phpstan.dist.neon

@@ -3,6 +3,7 @@ parameters:
     paths:
         - src/
         - utils/
+        - packages/
     tmpDir: var/cache/phpstan
     reportUnmatchedIgnoredErrors: false
     excludePaths: