phpPackages.composer: switch to finalAttrs pattern

pkgs/development/php-packages/composer/default.nix

@@ -1,11 +1,11 @@
 { mkDerivation, fetchurl, makeBinaryWrapper, unzip, lib, php }:
 
-mkDerivation rec {
+mkDerivation (finalAttrs: {
   pname = "composer";
   version = "2.5.8";
 
   src = fetchurl {
-    url = "https://github.com/composer/composer/releases/download/${version}/composer.phar";
+    url = "https://github.com/composer/composer/releases/download/${finalAttrs.version}/composer.phar";
     hash = "sha256-8Hk0+tRPkEjA3IdaUGzKMcwnlNauv8GGfzsfv0jc4sU=";
   };
 
@@ -24,10 +24,10 @@ mkDerivation rec {
   '';
 
   meta = {
-    changelog = "https://github.com/composer/composer/releases/tag/${version}";
+    changelog = "https://github.com/composer/composer/releases/tag/${finalAttrs.version}";
     description = "Dependency Manager for PHP";
     homepage = "https://getcomposer.org/";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ offline ] ++ lib.teams.php.members;
   };
-}
+})