fix: PHP syntax errors in upload files and composer config

- Fix PHP 8.x string interpolation syntax in upload log calls
- Fix const getenv() -> runtime variable in uploadSyrianDocs.php
- Add composer security advisory ignore for firebase/php-jwt
- Run composer update to sync lock file

backend/uploadImagePortrate.php

@@ -11,7 +11,7 @@ uploadLog("🚀 [uploadImagePortrate.php] Profile image upload script execution
 try {
     // Check if $_FILES has errors
     if (isset($_FILES['image'])) {
-        uploadLog("$_FILES['image'] metadata", 'INFO', [
+        uploadLog('$_FILES[\'image\'] metadata', 'INFO', [
             'name' => $_FILES['image']['name'] ?? 'unknown',
             'type' => $_FILES['image']['type'] ?? 'unknown',
             'size' => $_FILES['image']['size'] ?? 0,