fix: replace topic resource

* Update csrf-protection@J9yIXZTtwbFzH2u4dI1ep.md

@official@Security Guide page not found 404

* Update src/data/roadmaps/php/content/csrf-protection@J9yIXZTtwbFzH2u4dI1ep.md

---------

Co-authored-by: Arik Chakma <arikchangma@gmail.com>

src/data/roadmaps/php/content/csrf-protection@J9yIXZTtwbFzH2u4dI1ep.md

@@ -18,4 +18,4 @@ if(isset($_POST['csrf']) && $_POST['csrf'] === $_SESSION['csrf']) {
 
 Visit the following resources to learn more:
 
-- [@official@Security Guide](https://php.net/manual/en/security.csrf.php)
+- [@article@PHP Tutorial CSRF] (https://www.phptutorial.net/php-tutorial/php-csrf/)