php: 8.3.17 -> 8.3.19

https://www.php.net/ChangeLog-8.php#8.3.19

Fixes CVE-2024-11235, GHSA-wg4p-4hqh-c3g9, CVE-2025-1219, CVE-2025-1736, CVE-2025-1861, CVE-2025-1734 and CVE-2025-1217.

pkgs/development/interpreters/php/8.3.nix

···
   base = callPackage ./generic.nix (
     _args
     // {
-      version = "8.3.17";
-      hash = "sha256-TgNNynqxb8YGLIxTBnUo9OyqJGvyIxDmhB9wCAlCZKw=";
+      version = "8.3.19";
+      hash = "sha256-rWkCoqAvlOw+mYIGniZou6POR+L2u7q5Xra323vz01A=";
     }
   );
 in