chore: Update README to require PHP 8.3 or higher

The PHP version requirement has been updated from 7.4+ to 8.3+ to align with the latest compatibility needs. This ensures the documentation reflects the current software prerequisites accurately.

Author: efebagri

README.md

@@ -6,7 +6,7 @@
 
 # Getting Started
 ### Requirements
-* [**PHP 7.4+**](https://www.php.net/downloads.php)
+* [**PHP 8.3+**](https://www.php.net/downloads.php)
 * Extensions: [Composer](https://getcomposer.org/), [PHP-JSON](https://www.php.net/manual/en/book.json.php)
 
 # ⚒️ Install